From ead639cf674896b29522da2ecc1799f3528906d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-S=C3=A9bastien?= <git@jscaux.org>
Date: Mon, 21 Feb 2022 20:42:13 +0100
Subject: [PATCH] Update 2022-02-21 20:42

---
 build/a.html                 |   59 +-
 build/a_l.html               |   59 +-
 build/c.html                 |   59 +-
 build/c_m.html               |   59 +-
 build/c_m_cs.html            |   59 +-
 build/c_m_cs_cyl.html        |   71 +-
 build/c_m_cs_hyp.html        |   59 +-
 build/c_m_cs_sph.html        |   91 +-
 build/c_m_dc.html            |   59 +-
 build/c_m_dc_curl.html       |   59 +-
 build/c_m_dc_d2.html         |  103 +-
 build/c_m_dc_del.html        |   59 +-
 build/c_m_dc_div.html        |   59 +-
 build/c_m_dc_g.html          |   59 +-
 build/c_m_dc_pr.html         |   83 +-
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 build/c_m_dd_1d.html         |   59 +-
 build/c_m_dd_3d.html         |   71 +-
 build/c_m_dd_div.html        |   59 +-
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 build/c_m_ic_ftc.html        |   59 +-
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 build/c_m_ic_gauss.html      |   59 +-
 build/c_m_ic_ip.html         |   59 +-
 build/c_m_ic_lsv.html        |   77 +-
 build/c_m_ic_stokes.html     |   63 +-
 build/c_m_uf.html            |   59 +-
 build/c_m_uf_cyl.html        |   59 +-
 build/c_m_uf_sph.html        |   59 +-
 build/c_m_uf_vi.html         |   59 +-
 build/c_m_va.html            |   59 +-
 build/c_m_va_cp.html         |   59 +-
 build/c_m_va_n.html          |   59 +-
 build/c_m_va_pds.html        |   59 +-
 build/c_m_va_sp.html         |   59 +-
 build/c_m_va_tp.html         |   59 +-
 build/c_m_vf.html            |   59 +-
 build/c_m_vf_helm.html       |   59 +-
 build/c_m_vf_pot.html        |   59 +-
 build/d.html                 |   63 +-
 build/d_emd.html             |   59 +-
 build/d_emd_ce.html          |   59 +-
 build/d_emd_emw.html         |   59 +-
 build/d_emf.html             |   59 +-
 build/d_ems.html             |   59 +-
 build/d_ems_ca.html          |   59 +-
 build/d_ems_ms.html          |   59 +-
 build/d_emsm.html            |   59 +-
 build/d_emsm_msm.html        |   59 +-
 build/d_m.html               |   59 +-
 build/d_red.html             |   59 +-
 build/emd.html               |   67 +-
 build/emd_Fl.html            |   59 +-
 build/emd_Fl_Fl.html         |   65 +-
 build/emd_Fl_e.html          |   63 +-
 build/emd_Fl_i.html          |   65 +-
 build/emd_Fl_ief.html        |   65 +-
 build/emd_Me.html            |   59 +-
 build/emd_Me_Me.html         |   65 +-
 build/emd_Me_dc.html         |   63 +-
 build/emd_Me_ebM.html        |   59 +-
 build/emd_Me_mc.html         |   59 +-
 build/emd_ce.html            |   67 +-
 build/emd_ce_amom.html       |   61 +-
 build/emd_ce_ce.html         |   61 +-
 build/emd_ce_mom.html        |   63 +-
 build/emd_ce_mst.html        |   65 +-
 build/emd_ce_poy.html        |   71 +-
 build/emd_emw.html           |   67 +-
 build/emd_emw_ep.html        |   63 +-
 build/emd_emw_mpw.html       |   61 +-
 build/emd_emw_we.html        |   61 +-
 build/emdm.html              |   59 +-
 build/emdm_Me.html           |   59 +-
 build/emdm_Me_Mem.html       |   75 +-
 build/emdm_Me_bc.html        |   61 +-
 build/emdm_emwm.html         |   59 +-
 build/emdm_emwm_ad.html      |   59 +-
 build/emdm_emwm_ad_c.html    |   59 +-
 build/emdm_emwm_plm.html     |   61 +-
 build/emdm_emwm_refl.html    |   59 +-
 build/emdm_emwm_refl_Ba.html |   59 +-
 build/emdm_emwm_refl_Fe.html |   59 +-
 build/emdm_emwm_refl_ni.html |   59 +-
 build/emdm_emwm_refl_oi.html |   67 +-
 build/emdm_emwm_refr.html    |   59 +-
 build/emdm_emwm_wg.html      |   59 +-
 build/emdm_emwm_wg_c.html    |   59 +-
 build/emdm_emwm_wg_gw.html   |   59 +-
 build/emdm_emwm_wg_r.html    |   59 +-
 build/emf.html               |   67 +-
 build/emf_g.html             |   59 +-
 build/emf_g_Cg.html          |   59 +-
 build/emf_g_Lg.html          |   63 +-
 build/emf_svp.html           |   67 +-
 build/ems.html               |   59 +-
 build/ems_ca.html            |   67 +-
 build/ems_ca_fe.html         |   67 +-
 build/ems_ca_fe_L.html       |   95 +-
 build/ems_ca_fe_g.html       |   71 +-
 build/ems_ca_fe_uP.html      |   75 +-
 build/ems_ca_me.html         |   59 +-
 build/ems_ca_me_Ed.html      |   67 +-
 build/ems_ca_me_Eq.html      |   59 +-
 build/ems_ca_me_a.html       |   75 +-
 build/ems_ca_me_h.html       |   79 +-
 build/ems_ca_me_md.html      |   71 +-
 build/ems_ca_mi.html         |   63 +-
 build/ems_ca_mi_fe.html      |   63 +-
 build/ems_ca_mi_isc.html     |   67 +-
 build/ems_ca_mi_o.html       |   59 +-
 build/ems_ca_sv.html         |   59 +-
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 build/ems_ca_sv_cyl.html     |   59 +-
 build/ems_ca_sv_sph.html     |  117 +-
 build/ems_es.html            |   67 +-
 build/ems_es_c.html          |   59 +-
 build/ems_es_c_cap.html      |   62 +-
 build/ems_es_c_ic.html       |   61 +-
 build/ems_es_c_p.html        |   61 +-
 build/ems_es_c_sc.html       |   67 +-
 build/ems_es_e.html          |   75 +-
 build/ems_es_ec.html         |   59 +-
 build/ems_es_ec_b.html       |   59 +-
 build/ems_es_ec_c.html       |   59 +-
 build/ems_es_ec_q.html       |   59 +-
 build/ems_es_ec_s.html       |   59 +-
 build/ems_es_ef.html         |   59 +-
 build/ems_es_ef_Gl.html      |   83 +-
 build/ems_es_ef_cE.html      |   71 +-
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 build/ems_es_ef_pc.html      |   73 +-
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 build/ems_es_efo_cl.html     |   69 +-
 build/ems_es_efo_e.html      |   63 +-
 build/ems_es_efo_exp.html    |   75 +-
 build/ems_es_efo_ps.html     |   61 +-
 build/ems_es_ep.html         |   59 +-
 build/ems_es_ep_PL.html      |   71 +-
 build/ems_es_ep_bc.html      |   67 +-
 build/ems_es_ep_d.html       |   99 +-
 build/ems_es_ep_ex.html      |   63 +-
 build/ems_es_ep_fp.html      |   65 +-
 build/ems_ms.html            |   67 +-
 build/ems_ms_BS.html         |   97 +-
 build/ems_ms_dcB.html        |   59 +-
 build/ems_ms_lf.html         |   59 +-
 build/ems_ms_lf_pc.html      |   75 +-
 build/ems_ms_vp.html         |   59 +-
 build/ems_ms_vp_LC.html      |   73 +-
 build/ems_ms_vp_comp.html    |   59 +-
 build/ems_ms_vp_mbc.html     |   77 +-
 build/ems_ms_vp_me.html      |   87 +-
 build/emsm.html              |   67 +-
 build/emsm_esm.html          |   69 +-
 build/emsm_esm_D.html        |  205 +++-
 build/emsm_esm_D_bc.html     |  111 +-
 build/emsm_esm_di.html       |  117 +-
 build/emsm_esm_di_ld.html    | 2055 ----------------------------------
 build/emsm_esm_fpo.html      | 1747 -----------------------------
 build/emsm_esm_fpo_fid.html  | 1741 ----------------------------
 build/emsm_esm_fpo_pibc.html | 1644 ---------------------------
 build/emsm_esm_p.html        | 1757 -----------------------------
 build/emsm_msm.html          |   71 +-
 build/emsm_msm_H.html        |   59 +-
 build/emsm_msm_H_A.html      |   67 +-
 build/emsm_msm_a.html        |   59 +-
 build/emsm_msm_fmo.html      |   59 +-
 build/emsm_msm_fmo_bc.html   |   69 +-
 build/emsm_msm_fmo_fim.html  |   59 +-
 build/emsm_msm_fmo_pibc.html |   59 +-
 build/emsm_msm_lnlm.html     |   59 +-
 build/emsm_msm_lnlm_fm.html  |   59 +-
 build/emsm_msm_lnlm_sp.html  |   61 +-
 build/emsm_msm_m.html        |   59 +-
 build/emsm_msm_m_dpf.html    |   63 +-
 build/emsm_msm_m_fdi.html    |   63 +-
 build/in.html                |   59 +-
 build/in_p.html              |   59 +-
 build/in_t.html              |   59 +-
 build/in_t_c.html            |   87 +-
 build/in_t_l.html            |   59 +-
 build/index.html             |   82 +-
 build/qed.html               |   59 +-
 build/qed_t.html             |   59 +-
 build/red.html               |   67 +-
 build/red_rem.html           |   59 +-
 build/red_rem_Fmunu.html     |   65 +-
 build/red_rem_Ltf.html       |   61 +-
 build/red_rem_Me.html        |   71 +-
 build/red_rem_mre.html       |   61 +-
 build/red_rm.html            |   59 +-
 build/red_rm_Mf.html         |   65 +-
 build/red_rm_pt.html         |   63 +-
 build/red_rm_rme.html        |   67 +-
 build/red_sr.html            |   59 +-
 build/red_sr_4v.html         |   65 +-
 build/red_sr_Lt.html         |   61 +-
 build/red_sr_p.html          |   63 +-
 199 files changed, 9265 insertions(+), 12407 deletions(-)
 delete mode 100644 build/emsm_esm_di_ld.html
 delete mode 100644 build/emsm_esm_fpo.html
 delete mode 100644 build/emsm_esm_fpo_fid.html
 delete mode 100644 build/emsm_esm_fpo_pibc.html
 delete mode 100644 build/emsm_esm_p.html

diff --git a/build/a.html b/build/a.html
index 92ca2e9..e616704 100644
--- a/build/a.html
+++ b/build/a.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/a_l.html b/build/a_l.html
index b1a0786..3b961f2 100644
--- a/build/a_l.html
+++ b/build/a_l.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1699,7 +1728,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c.html b/build/c.html
index 2375339..6bc5b23 100644
--- a/build/c.html
+++ b/build/c.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m.html b/build/c_m.html
index 76c1497..8703dbd 100644
--- a/build/c_m.html
+++ b/build/c_m.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1622,7 +1651,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_cs.html b/build/c_m_cs.html
index 072ef68..92c8f2f 100644
--- a/build/c_m_cs.html
+++ b/build/c_m_cs.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_cs_cyl.html b/build/c_m_cs_cyl.html
index e5e775e..c19e2c6 100644
--- a/build/c_m_cs_cyl.html
+++ b/build/c_m_cs_cyl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1638,14 +1667,14 @@ Range of parameters:  \(r \in [0, \infty[\), \(\varphi \in [0, 2\pi[\) and \(z \
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 <h6 id="c_m_cs_cyl_grad"><a href="#c_m_cs_cyl_grad">Gradient</a></h6>
 <div class="outline-text-6" id="text-c_m_cs_cyl_grad">
-<div class="eqlabel" id="org238184d">
+<div class="eqlabel" id="org5189029">
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+<div class="alteqlabels" id="org04b2fad">
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 <div id="outline-container-c_m_cs_cyl_div" class="outline-6">
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 <div class="outline-text-6" id="text-c_m_cs_cyl_div">
-<div class="eqlabel" id="orgcf8ddd8">
+<div class="eqlabel" id="orgecdf384">
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-<div class="alteqlabels" id="org0a61378">
+<div class="alteqlabels" id="orgb24faa6">
 <ul class="org-ul">
 <li>Gr4(2.21)</li>
 </ul>
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-<div class="eqlabel" id="orgb593e8e">
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-<div class="alteqlabels" id="org3c26968">
+<div class="alteqlabels" id="orgc696d67">
 <ul class="org-ul">
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 </ul>
@@ -1750,7 +1779,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_cs_hyp.html b/build/c_m_cs_hyp.html
index 0d5bf2e..f08d277 100644
--- a/build/c_m_cs_hyp.html
+++ b/build/c_m_cs_hyp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1611,7 +1640,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_cs_sph.html b/build/c_m_cs_sph.html
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--- a/build/c_m_cs_sph.html
+++ b/build/c_m_cs_sph.html
@@ -1,7 +1,7 @@
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 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1602,14 +1631,14 @@ which \(r\) is the distance from the chosen origin,
 The usual Cartesian coordinates relate to spherical coordinates
 according to
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 where the explicit relation between spherical and
 Cartesian unit vectors is
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 <p>
 An infinitesimal displacement \(d{\bf l}\) can be written as
 </p>
-<div class="eqlabel" id="org3750477">
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@@ -1687,14 +1716,14 @@ d{\bf l} = dr ~\hat{\boldsymbol r} + r d\theta ~\hat{\boldsymbol \theta} + r\sin
 <p>
 Infinitesimal volume element:
 </p>
-<div class="eqlabel" id="orgf70b76f">
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-<div class="alteqlabels" id="org7267db3">
+<div class="alteqlabels" id="org2548f95">
 
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-<div class="alteqlabels" id="org5abe4c1">
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@@ -1789,14 +1818,14 @@ Infinitesimal surface element:  depends on situation.
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-<div class="alteqlabels" id="orgbb072b6">
+<div class="alteqlabels" id="org65156f6">
 
 </div>
 
@@ -1830,7 +1859,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc.html b/build/c_m_dc.html
index 0fb0121..bf78727 100644
--- a/build/c_m_dc.html
+++ b/build/c_m_dc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1621,7 +1650,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc_curl.html b/build/c_m_dc_curl.html
index c97fec5..1d7070d 100644
--- a/build/c_m_dc_curl.html
+++ b/build/c_m_dc_curl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1623,7 +1652,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc_d2.html b/build/c_m_dc_d2.html
index e15659e..111f7c7 100644
--- a/build/c_m_dc_d2.html
+++ b/build/c_m_dc_d2.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1594,9 +1623,9 @@ Table of contents
 <div class="outline-text-5" id="text-c_m_dc_d2">
 </div>
 
-<div id="outline-container-org1a142a0" class="outline-6">
-<h6 id="org1a142a0"><a href="#org1a142a0">Divergence of gradient</a></h6>
-<div class="outline-text-6" id="text-org1a142a0">
+<div id="outline-container-org2f2fb63" class="outline-6">
+<h6 id="org2f2fb63"><a href="#org2f2fb63">Divergence of gradient</a></h6>
+<div class="outline-text-6" id="text-org2f2fb63">
 <p>
 \({\boldsymbol \nabla} \cdot ({\boldsymbol \nabla} T) \equiv {\boldsymbol \nabla}^2 T\) is called the <b>Laplacian</b> of the scalar field \(T\).
 The Laplacian of a vector field \({\boldsymbol \nabla}^2 {\bf v}\) is also defined as the vector with components
@@ -1605,40 +1634,52 @@ given by the Laplacian of the corresponding vector elements.
 </div>
 </div>
 
-<div id="outline-container-org16039ac" class="outline-6">
-<h6 id="org16039ac"><a href="#org16039ac">Curl of a gradient</a></h6>
-<div class="outline-text-6" id="text-org16039ac">
+<div id="outline-container-org7940ce1" class="outline-6">
+<h6 id="org7940ce1"><a href="#org7940ce1">Curl of a gradient</a></h6>
+<div class="outline-text-6" id="text-org7940ce1">
 <p>
 This always vanishes.
 </p>
 </div>
 </div>
 
-<div id="outline-container-orgd64b31f" class="outline-6">
-<h6 id="orgd64b31f"><a href="#orgd64b31f">Gradient of the divergence</a></h6>
-<div class="outline-text-6" id="text-orgd64b31f">
+<div id="outline-container-org8fc30e5" class="outline-6">
+<h6 id="org8fc30e5"><a href="#org8fc30e5">Gradient of the divergence</a></h6>
+<div class="outline-text-6" id="text-org8fc30e5">
 <p>
 \({\boldsymbol \nabla} ({\boldsymbol \nabla} \cdot {\bf v})\) does not appear often in physics.  No special name.
 </p>
 </div>
 </div>
 
-<div id="outline-container-orgf932975" class="outline-6">
-<h6 id="orgf932975"><a href="#orgf932975">Divergence of a curl</a></h6>
-<div class="outline-text-6" id="text-orgf932975">
+<div id="outline-container-org5323eef" class="outline-6">
+<h6 id="org5323eef"><a href="#org5323eef">Divergence of a curl</a></h6>
+<div class="outline-text-6" id="text-org5323eef">
 <p>
 This always vanishes.
 </p>
 </div>
 </div>
 
-<div id="outline-container-orgcb842e5" class="outline-6">
-<h6 id="orgcb842e5"><a href="#orgcb842e5">Curl of curl</a></h6>
-<div class="outline-text-6" id="text-orgcb842e5">
+<div id="outline-container-org0c116f8" class="outline-6">
+<h6 id="org0c116f8"><a href="#org0c116f8">Curl of curl</a></h6>
+<div class="outline-text-6" id="text-org0c116f8">
+<div class="eqlabel" id="org51a12dc">
+<p>
+<a id="curlcurl"></a><a href="./c_m_dc_d2.html#curlcurl"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="orge1da3d2">
+
+</div>
+
+</div>
 <p>
 \[
 {\boldsymbol \nabla} \times ({\boldsymbol \nabla} \times {\bf v}) = {\boldsymbol \nabla} ({\boldsymbol \nabla} \cdot {\bf v}) - {\boldsymbol \nabla}^2 {\bf v}
-\label{Gr(1.47)}
+\tag{curlcurl}\label{curlcurl}
 \]
 </p>
 </div>
@@ -1661,7 +1702,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc_del.html b/build/c_m_dc_del.html
index 98ad4f4..9670f88 100644
--- a/build/c_m_dc_del.html
+++ b/build/c_m_dc_del.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1622,7 +1651,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc_div.html b/build/c_m_dc_div.html
index e7e5ef0..929dcd3 100644
--- a/build/c_m_dc_div.html
+++ b/build/c_m_dc_div.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1619,7 +1648,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc_g.html b/build/c_m_dc_g.html
index 7ef0cdb..230639f 100644
--- a/build/c_m_dc_g.html
+++ b/build/c_m_dc_g.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1643,7 +1672,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dc_pr.html b/build/c_m_dc_pr.html
index 7cf12bd..9754735 100644
--- a/build/c_m_dc_pr.html
+++ b/build/c_m_dc_pr.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1601,14 +1630,14 @@ explicited as follows:
 <p>
 <b>Gradient of a product</b>:
 </p>
-<div class="eqlabel" id="org77098c1">
+<div class="eqlabel" id="orgfc34aae">
 <p>
 <a id="grad_prod"></a><a href="./c_m_dc_pr.html#grad_prod"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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-<div class="alteqlabels" id="org098750f">
+<div class="alteqlabels" id="org0981207">
 <ul class="org-ul">
 <li>Gr (3)</li>
 <li>W (1-111)</li>
@@ -1628,14 +1657,14 @@ explicited as follows:
 <p>
 <b>Gradient of a scalar product</b>:
 </p>
-<div class="eqlabel" id="org623c0b6">
+<div class="eqlabel" id="org1897a2b">
 <p>
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org9c465bf">
+<div class="alteqlabels" id="orgd1aefe7">
 <ul class="org-ul">
 <li>Gr (4)</li>
 <li>W (1-112)</li>
@@ -1655,14 +1684,14 @@ explicited as follows:
 <p>
 <b>Divergence of a product</b>:
 </p>
-<div class="eqlabel" id="org27a4a20">
+<div class="eqlabel" id="orgd81e567">
 <p>
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org3259c68">
+<div class="alteqlabels" id="org11cd161">
 <ul class="org-ul">
 <li>Gr (5)</li>
 <li>W (1-115)</li>
@@ -1682,14 +1711,14 @@ explicited as follows:
 <p>
 <b>Divergence of a cross product</b>:
 </p>
-<div class="eqlabel" id="orgaa0862c">
+<div class="eqlabel" id="orgac85f09">
 <p>
 <a id="div_xprod"></a><a href="./c_m_dc_pr.html#div_xprod"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org1672361">
+<div class="alteqlabels" id="org66c049b">
 <ul class="org-ul">
 <li>Gr (6)</li>
 <li>W (1-116)</li>
@@ -1709,14 +1738,14 @@ explicited as follows:
 <p>
 <b>Curl of a product</b>:
 </p>
-<div class="eqlabel" id="org8a2530a">
+<div class="eqlabel" id="org18804f3">
 <p>
 <a id="curl_prod"></a><a href="./c_m_dc_pr.html#curl_prod"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orgdb6a233">
+<div class="alteqlabels" id="org7cfdedf">
 <ul class="org-ul">
 <li>Gr (7)</li>
 <li>W (1-118)</li>
@@ -1736,14 +1765,14 @@ explicited as follows:
 <p>
 <b>Curl of a cross product</b>:
 </p>
-<div class="eqlabel" id="org21daf74">
+<div class="eqlabel" id="orgb314b2b">
 <p>
 <a id="curl_xprod"></a><a href="./c_m_dc_pr.html#curl_xprod"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org87e2222">
+<div class="alteqlabels" id="org27d2d68">
 <ul class="org-ul">
 <li>Gr (8)</li>
 <li>W (1-119)</li>
@@ -1784,7 +1813,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dd.html b/build/c_m_dd.html
index d9fc6c0..d0f9c15 100644
--- a/build/c_m_dd.html
+++ b/build/c_m_dd.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dd_1d.html b/build/c_m_dd_1d.html
index b6ae063..26fce02 100644
--- a/build/c_m_dd_1d.html
+++ b/build/c_m_dd_1d.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1630,7 +1659,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dd_3d.html b/build/c_m_dd_3d.html
index 4970f73..c4ecb4f 100644
--- a/build/c_m_dd_3d.html
+++ b/build/c_m_dd_3d.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1615,14 +1644,14 @@ Resolution of divergence of \(\hat{\bf r}/r^2\) paradox:
 More generally,
 </p>
 
-<div class="eqlabel" id="org42fce11">
+<div class="eqlabel" id="org0433d75">
 <p>
 <a id="divdel"></a><a href="./c_m_dd_3d.html#divdel"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org7526e1a">
+<div class="alteqlabels" id="org68675a6">
 <ul class="org-ul">
 <li>Gr (1.100)</li>
 </ul>
@@ -1641,14 +1670,14 @@ More generally,
 Since
 </p>
 
-<div class="eqlabel" id="org204d0c0">
+<div class="eqlabel" id="orgd02de7a">
 <p>
 <a id="div1or"></a><a href="./c_m_dd_3d.html#div1or"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
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-<div class="alteqlabels" id="orgd677a10">
+<div class="alteqlabels" id="orgc48b943">
 <ul class="org-ul">
 <li>Gr (1.101)</li>
 </ul>
@@ -1664,14 +1693,14 @@ Since
 <p>
 we have that
 </p>
-<div class="eqlabel" id="orgb31b1d6">
+<div class="eqlabel" id="orgb494e7d">
 <p>
 <a id="Lap1or"></a><a href="./c_m_dd_3d.html#Lap1or"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgc762b5a">
+<div class="alteqlabels" id="orgc599cf6">
 <ul class="org-ul">
 <li>Gr (1.102)</li>
 </ul>
@@ -1703,7 +1732,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_dd_div.html b/build/c_m_dd_div.html
index ee3dbbf..ac4d8e3 100644
--- a/build/c_m_dd_div.html
+++ b/build/c_m_dd_div.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1636,7 +1665,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic.html b/build/c_m_ic.html
index 8896c54..b0d8c0c 100644
--- a/build/c_m_ic.html
+++ b/build/c_m_ic.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1621,7 +1650,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic_ftc.html b/build/c_m_ic_ftc.html
index 8c56fc8..3a06c5d 100644
--- a/build/c_m_ic_ftc.html
+++ b/build/c_m_ic_ftc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1619,7 +1648,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic_ftg.html b/build/c_m_ic_ftg.html
index 503c995..0d8ae01 100644
--- a/build/c_m_ic_ftg.html
+++ b/build/c_m_ic_ftg.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1628,7 +1657,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic_gauss.html b/build/c_m_ic_gauss.html
index 8f83426..9f37cfe 100644
--- a/build/c_m_ic_gauss.html
+++ b/build/c_m_ic_gauss.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1622,7 +1651,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic_ip.html b/build/c_m_ic_ip.html
index efee5d5..2d66d11 100644
--- a/build/c_m_ic_ip.html
+++ b/build/c_m_ic_ip.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1629,7 +1658,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic_lsv.html b/build/c_m_ic_lsv.html
index b59ab7f..7de0157 100644
--- a/build/c_m_ic_lsv.html
+++ b/build/c_m_ic_lsv.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+</li>
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+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
@@ -1594,9 +1623,9 @@ Table of contents
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+<h6 id="orgde47b1c"><a href="#orgde47b1c">Line Integrals</a></h6>
+<div class="outline-text-6" id="text-orgde47b1c">
 <p>
 \[
 {\int_{\bf a}^{\bf b}}_{\cal P} {\bf v} \cdot d{\bf l}
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 </div>
 </div>
 
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-<h6 id="org44f2fbc"><a href="#org44f2fbc">Surface Integrals</a></h6>
-<div class="outline-text-6" id="text-org44f2fbc">
+<div id="outline-container-org5884ec7" class="outline-6">
+<h6 id="org5884ec7"><a href="#org5884ec7">Surface Integrals</a></h6>
+<div class="outline-text-6" id="text-org5884ec7">
 <p>
 \[
 \int_{\cal S} {\bf v} \cdot d{\bf a}
@@ -1647,9 +1676,9 @@ Over a closed surface:
 </div>
 </div>
 
-<div id="outline-container-org66b01fe" class="outline-6">
-<h6 id="org66b01fe"><a href="#org66b01fe">Volume Integrals</a></h6>
-<div class="outline-text-6" id="text-org66b01fe">
+<div id="outline-container-org8682a2f" class="outline-6">
+<h6 id="org8682a2f"><a href="#org8682a2f">Volume Integrals</a></h6>
+<div class="outline-text-6" id="text-org8682a2f">
 <p>
 \[
 \int_{\cal V} T d\tau
@@ -1690,7 +1719,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_ic_stokes.html b/build/c_m_ic_stokes.html
index ad80e0d..df7178c 100644
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 <html lang="en">
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_uf.html b/build/c_m_uf.html
index 2f06a50..b48672a 100644
--- a/build/c_m_uf.html
+++ b/build/c_m_uf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
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 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_uf_cyl.html b/build/c_m_uf_cyl.html
index dc9886c..2072857 100644
--- a/build/c_m_uf_cyl.html
+++ b/build/c_m_uf_cyl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1631,7 +1660,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_uf_sph.html b/build/c_m_uf_sph.html
index e4f296d..b9ae5c5 100644
--- a/build/c_m_uf_sph.html
+++ b/build/c_m_uf_sph.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
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+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
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 <details>
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+</li>
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_uf_vi.html b/build/c_m_uf_vi.html
index bb4301b..fd15da7 100644
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 <html lang="en">
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+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
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 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+<details>
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+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+
+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
@@ -1634,7 +1663,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_va.html b/build/c_m_va.html
index 5908572..883aaad 100644
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+++ b/build/c_m_va.html
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
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 <details>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
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+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</ul>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
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+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1620,7 +1649,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_va_cp.html b/build/c_m_va_cp.html
index 692088f..b607b97 100644
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+++ b/build/c_m_va_cp.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+
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+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1649,7 +1678,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_va_n.html b/build/c_m_va_n.html
index 3d0e727..9026ca3 100644
--- a/build/c_m_va_n.html
+++ b/build/c_m_va_n.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
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 </li>
 
@@ -1644,7 +1673,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_va_pds.html b/build/c_m_va_pds.html
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+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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 </li>
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@@ -750,18 +763,34 @@ Table of contents
 
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 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
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 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_va_sp.html b/build/c_m_va_sp.html
index 2511864..1c54b44 100644
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 <title>Pre-Quantum Electrodynamics</title>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
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 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+<details>
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+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
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+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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+</li>
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_va_tp.html b/build/c_m_va_tp.html
index 952bf0c..0148ef2 100644
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+<!-- 2022-02-21 Mon 20:41 -->
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 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
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 </summary>
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 <details>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</ul>
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+
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+</li>
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+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_vf.html b/build/c_m_vf.html
index 3acca3d..eb3e223 100644
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+++ b/build/c_m_vf.html
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</summary>
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+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_vf_helm.html b/build/c_m_vf_helm.html
index 037611b..d85d914 100644
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+++ b/build/c_m_vf_helm.html
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
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+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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+</li>
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+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
@@ -1636,7 +1665,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/c_m_vf_pot.html b/build/c_m_vf_pot.html
index 6f104e2..4675dd8 100644
--- a/build/c_m_vf_pot.html
+++ b/build/c_m_vf_pot.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1663,7 +1692,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d.html b/build/d.html
index a2b87ff..1b6b8b8 100644
--- a/build/d.html
+++ b/build/d.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
 </svg></a><span class="headline-id">d</span></h2>
 
 <div class="outline-text-2" id="text-d">
-<details class="objectives" id="org5b81bb5">
-<summary id="org3f2d119">
+<details class="objectives" id="org6aaebc8">
+<summary id="org80e2c68">
 Objectives
 </summary>
 
@@ -1658,7 +1687,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_emd.html b/build/d_emd.html
index 156d935..7b226fc 100644
--- a/build/d_emd.html
+++ b/build/d_emd.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1638,7 +1667,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_emd_ce.html b/build/d_emd_ce.html
index e1f6101..a00a8e6 100644
--- a/build/d_emd_ce.html
+++ b/build/d_emd_ce.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1633,7 +1662,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_emd_emw.html b/build/d_emd_emw.html
index 296d8b0..282d57e 100644
--- a/build/d_emd_emw.html
+++ b/build/d_emd_emw.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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+</li>
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+</li>
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
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 <p class="validation"></p>
 </div>
 
diff --git a/build/d_emf.html b/build/d_emf.html
index f6f3d64..dc5a69e 100644
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
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 </summary>
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-</li>
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 <details>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
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 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</ul>
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+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_ems.html b/build/d_ems.html
index fd1ec24..bb68c8c 100644
--- a/build/d_ems.html
+++ b/build/d_ems.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_ems_ca.html b/build/d_ems_ca.html
index b874b94..d7badb4 100644
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+++ b/build/d_ems_ca.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
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+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1638,7 +1667,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_ems_ms.html b/build/d_ems_ms.html
index c0e6c08..1ec8260 100644
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+++ b/build/d_ems_ms.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<li>
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 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+<li>
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+<details>
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+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
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+</li>
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+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
@@ -1635,7 +1664,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_emsm.html b/build/d_emsm.html
index ff05571..9dfa08d 100644
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+++ b/build/d_emsm.html
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
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+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
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+</summary>
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+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
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+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
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+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </summary>
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
@@ -1638,7 +1667,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_emsm_msm.html b/build/d_emsm_msm.html
index 977b7f9..589f24f 100644
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+++ b/build/d_emsm_msm.html
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 <!DOCTYPE html>
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
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+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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 <li>
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1636,7 +1665,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_m.html b/build/d_m.html
index 8c9c35d..234d741 100644
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+++ b/build/d_m.html
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1646,7 +1675,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/d_red.html b/build/d_red.html
index 166580f..0dd0bdc 100644
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+++ b/build/d_red.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1640,7 +1669,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd.html b/build/emd.html
index d883d28..818c184 100644
--- a/build/emd.html
+++ b/build/emd.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+<li>
+
+<details>
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+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
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+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
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 <div class="outline-text-2" id="text-emd">
-<details class="prereq" id="orgb2dc4db">
-<summary id="org0ce70b2">
+<details class="prereq" id="org3aa6e54">
+<summary id="orgf9c9f1a">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1603,8 +1632,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="org1795145">
-<summary id="orgbb33e19">
+<details class="objectives" id="org933e70a">
+<summary id="orgfee67cd">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1645,7 +1674,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Fl.html b/build/emd_Fl.html
index 61d2ac5..0f61f2e 100644
--- a/build/emd_Fl.html
+++ b/build/emd_Fl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1619,7 +1648,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Fl_Fl.html b/build/emd_Fl_Fl.html
index fb7d9cd..749c0c2 100644
--- a/build/emd_Fl_Fl.html
+++ b/build/emd_Fl_Fl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1633,7 +1662,7 @@ Empirically:  the changing magnetic field induces an electric current around
 the circuit. This current is really driven by an electric field having a component
 along the wire.  The line integral of this field is called the
 </p>
-<div class="core div" id="org33fe3db">
+<div class="core div" id="orgec9bb01">
 <p>
 <b>Electromotive force (or electromotance)</b>,
   \[
@@ -1655,7 +1684,7 @@ to the rate of change of the magnetic flux,
 \]
 so we obtain
 </p>
-<div class="core div" id="org7ae72ba">
+<div class="core div" id="org9b4af23">
 <p>
 <b>Faraday's law</b> (integral form <i>N.B.: for a stationary loop</i>)
   \[
@@ -1673,7 +1702,7 @@ for any loop (on a wire or not). Using Stokes' theorem,
 \]
 we obtain
 </p>
-<div class="core div" id="org9b15297">
+<div class="core div" id="org91ad35a">
 <p>
 <b>Faraday's law</b> (differential form)
   \[
@@ -1710,7 +1739,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Fl_e.html b/build/emd_Fl_e.html
index 791a354..0233365 100644
--- a/build/emd_Fl_e.html
+++ b/build/emd_Fl_e.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1652,7 +1681,7 @@ W = \frac{1}{2\mu_0} \left[ \int_{\cal V} d\tau B^2 - \int_{\cal V} d\tau {\bold
 \]
 We can integrate over all space:  after neglecting boundary terms (assuming fields fall to zero at infinity), we are left with
 </p>
-<div class="core div" id="orgca61a8b">
+<div class="core div" id="orgac0c4b7">
 <p>
 \[
     W_{mag} = \frac{1}{2\mu_0} \int d\tau B^2
@@ -1673,7 +1702,7 @@ W_{mag} = \frac{1}{2} \int d\tau ({\bf A} \cdot {\bf J}) = \frac{1}{2\mu_0} \int
 \hspace{2cm} \mbox{(7.31 and 7.34)}
 \end{align}
 
-<div class="example div" id="org97b1250">
+<div class="example div" id="org763563a">
 <p>
 \paragraph{Example 7.13:}  coaxial cable (inner cylinder radius \(a\), outer \(b\)) carries current \(I\).
 Find energy stored in section of length \(l\).
@@ -1712,7 +1741,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Fl_i.html b/build/emd_Fl_i.html
index 76786f4..43e2876 100644
--- a/build/emd_Fl_i.html
+++ b/build/emd_Fl_i.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1632,7 +1661,7 @@ M_{12} = M_{21}
 \]
 </p>
 
-<div class="example div" id="org60345e2">
+<div class="example div" id="orgf0e7804">
 <p>
 \paragraph{Example 7.10:}
 short solenoid (length \(l\), radius \(a\), \(n_1\) turns per unit length) lies concentrically inside
@@ -1682,7 +1711,7 @@ Inductance:  measured in {\bf henries} (\(H\)).  \(H = V s/A\).
 </p>
 
 
-<div class="example div" id="org13c54cb">
+<div class="example div" id="orgf51dfda">
 <p>
 \paragraph{Example 7.11:}  find self-inductance of toroidal coil with
 rectangular cross-section (inner radius \(a\), outer radius \(b\), height \(h\))
@@ -1709,7 +1738,7 @@ Total flux:  \(N\) times this, so self-inductance is
 Inductance (like capacitance) is intrinsically positive.  Use Lenz law.  Think of {\bf back EMF}.
 </p>
 
-<div class="example div" id="org9ccd19a">
+<div class="example div" id="orgef41138">
 <p>
 \paragraph{Example 7.12:}  circuit with inductance \(L\), resistor \(R\) and battery \({\cal E}_0\).
 What is the current ?
@@ -1748,7 +1777,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Fl_ief.html b/build/emd_Fl_ief.html
index 234f4bc..e20eb7f 100644
--- a/build/emd_Fl_ief.html
+++ b/build/emd_Fl_ief.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ law in integral form:
 
 
 
-<div class="example div" id="orgbe4cbfb">
+<div class="example div" id="orge69c6d6">
 <p>
 {\bf Example 7.7:}
 \({\bf B}(t)\) points up in circular region of radius \(R\).  What is the induced \({\bf E}(t)\) ?
@@ -1632,7 +1661,7 @@ Increasing \({\bf B}\):  clockwise (viewed from above) \({\bf E}\) from Lenz.
 </div>
 
 
-<div class="example div" id="orge1cb85e">
+<div class="example div" id="org3276236">
 <p>
 {\bf Example 7.8:} wheel or radius \(b\) with line charge \(\lambda\) on the rim.
 Uniform magnetic field \({\bf B}_0\) in central region up to \(a &lt; b\),
@@ -1666,7 +1695,7 @@ called the {\bf quasistatic} approximation, and works provided we deal with
 'slow enough' phenomena.
 </p>
 
-<div class="example div" id="org20dbc12">
+<div class="example div" id="org91337cc">
 <p>
 {\bf Example 7.9:}  infinitely long straight wire carries \(I(t)\).  Find
 induced \({\bf E}\) field as a function of distance \(s\) from wire.
@@ -1714,7 +1743,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Me.html b/build/emd_Me.html
index 87f7e45..26ca2e4 100644
--- a/build/emd_Me.html
+++ b/build/emd_Me.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1619,7 +1648,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Me_Me.html b/build/emd_Me_Me.html
index 1cd9421..d91dc74 100644
--- a/build/emd_Me_Me.html
+++ b/build/emd_Me_Me.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1595,7 +1624,7 @@ Table of contents
 <p>
 Full set of equations for the electromagnetic field:
 </p>
-<div class="core div" id="org05c5b38">
+<div class="core div" id="org7b46da1">
 <p>
 {\bf Maxwell's equations} {\it (in vacuum)}
 </p>
@@ -1611,7 +1640,7 @@ Full set of equations for the electromagnetic field:
 <p>
 Complement:
 </p>
-<div class="core div" id="orgdcc1f4c">
+<div class="core div" id="org6297b6f">
 <p>
 {\bf Force law}
 \[
@@ -1635,7 +1664,7 @@ take divergence of \((iv)\).
 <p>
 Better way of writing:  all fields on left, all sources on right,
 </p>
-<div class="core div" id="org26036d7">
+<div class="core div" id="org6d46b26">
 \begin{align}
   (i) &amp;{\boldsymbol \nabla} \cdot {\bf E} = \frac{\rho}{\varepsilon_0},
   &amp;(iii) {\boldsymbol \nabla} \times {\bf E} + \frac{\partial {\bf B}}{\partial t} = 0, \\
@@ -1665,7 +1694,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Me_dc.html b/build/emd_Me_dc.html
index 03801e5..e358948 100644
--- a/build/emd_Me_dc.html
+++ b/build/emd_Me_dc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1602,7 +1631,7 @@ the continuity equation as
 \]
 The extra term would thus be eliminated if we were to put
 </p>
-<div class="core div" id="orgba85b39">
+<div class="core div" id="orgc070790">
 <p>
 \[
     {\boldsymbol \nabla} \times {\bf B} = \mu_0 {\bf J} + \mu_0 \varepsilon_0 \frac{\partial {\bf E}}{\partial t}
@@ -1626,7 +1655,7 @@ Real confirmation of Maxwell's theory:  1888, Hertz's experiments on propagation
 <p>
 Maxwell baptized this term the
 </p>
-<div class="core div" id="org1bb49a0">
+<div class="core div" id="orgb352387">
 <p>
 {\bf Displacement current}
 \[
@@ -1674,7 +1703,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Me_ebM.html b/build/emd_Me_ebM.html
index b51a314..0e44810 100644
--- a/build/emd_Me_ebM.html
+++ b/build/emd_Me_ebM.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1644,7 +1673,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_Me_mc.html b/build/emd_Me_mc.html
index 4feee5e..fb2c4f5 100644
--- a/build/emd_Me_mc.html
+++ b/build/emd_Me_mc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1642,7 +1671,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_ce.html b/build/emd_ce.html
index 01c89ef..efc5fff 100644
--- a/build/emd_ce.html
+++ b/build/emd_ce.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
 </svg></a><span class="headline-id">emd.ce</span></h3>
 
 <div class="outline-text-3" id="text-emd_ce">
-<details class="prereq" id="org1758e01">
-<summary id="org85b5990">
+<details class="prereq" id="org805c0a9">
+<summary id="org5cff90a">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1602,8 +1631,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="org2078622">
-<summary id="org8bbb395">
+<details class="objectives" id="org33a8e47">
+<summary id="orga264cda">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1641,7 +1670,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_ce_amom.html b/build/emd_ce_amom.html
index 7b4fffe..55a1f40 100644
--- a/build/emd_ce_amom.html
+++ b/build/emd_ce_amom.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1595,7 +1624,7 @@ Table of contents
 <p>
 The angular momentum of EM fields is directly given by
 </p>
-<div class="main div" id="orgeb9f3aa">
+<div class="main div" id="orgd257fc0">
 <p>
 {\bf Angular momentum of EM fields}
 \[
@@ -1625,7 +1654,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_ce_ce.html b/build/emd_ce_ce.html
index 22155dc..c3f8e84 100644
--- a/build/emd_ce_ce.html
+++ b/build/emd_ce_ce.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1614,7 +1643,7 @@ This means that
 \]
 Since this is true for any volume, we have (re)derived the
 </p>
-<div class="core div" id="org9d0437e">
+<div class="core div" id="org822d00a">
 <p>
 {\bf Continuity equation}
 \[
@@ -1655,7 +1684,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_ce_mom.html b/build/emd_ce_mom.html
index 56f7902..ff7694a 100644
--- a/build/emd_ce_mom.html
+++ b/build/emd_ce_mom.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1607,7 +1636,7 @@ in which the first integral can be interpreted as the momentum stored in the EM
 <p>
 This is thus simply a conservation law for momentum, with
 </p>
-<div class="main div" id="orga925365">
+<div class="main div" id="org2961159">
 <p>
 {\bf Momentum density in the EM fields}
 \[
@@ -1619,7 +1648,7 @@ This is thus simply a conservation law for momentum, with
 <p>
 In a region in which the mechanical momentum is not changing due to external influences, we then have the
 </p>
-<div class="main div" id="org5972f3c">
+<div class="main div" id="org1aacec6">
 <p>
 {\bf Continuity equation for EM momentum}
 \[
@@ -1648,7 +1677,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_ce_mst.html b/build/emd_ce_mst.html
index 732c909..f035020 100644
--- a/build/emd_ce_mst.html
+++ b/build/emd_ce_mst.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1649,7 +1678,7 @@ and similarly for \({\boldsymbol B}\). We thus get
 <p>
 This expression can be greatly simplified by introducing the
 </p>
-<div class="main div" id="org8af3b6f">
+<div class="main div" id="orgcd94992">
 <p>
 {\bf Maxwell stress tensor}
 \[
@@ -1672,7 +1701,7 @@ The element \(T_{ij}\) represents the force per unit area in the $i$th direction
 <p>
 We then obtain
 </p>
-<div class="main div" id="orgaca85e5">
+<div class="main div" id="org0f23aa8">
 <p>
 {\bf EM force per unit volume}
 \[
@@ -1684,7 +1713,7 @@ We then obtain
 <p>
 where \({\boldsymbol S}\) is the Poynting vector. Integrating, we obtain the
 </p>
-<div class="main div" id="org9271f22">
+<div class="main div" id="org2d0e69d">
 <p>
 {\bf Total force on charges in volume}
 \[
@@ -1713,7 +1742,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_ce_poy.html b/build/emd_ce_poy.html
index 01f82a7..ee19a9d 100644
--- a/build/emd_ce_poy.html
+++ b/build/emd_ce_poy.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1661,7 +1690,7 @@ so we get
 Substituting this in \ref{Gr(8.6)} and using the divergence theorem,
 we obtain
 </p>
-<div class="main div" id="orgd161684">
+<div class="main div" id="org22fe564">
 <p>
 {\bf Poynting's theorem}
 \[
@@ -1686,7 +1715,7 @@ energy is carried by EM fields out of \({\cal V}\) across its boundary surface.
 <p>
 Energy per unit time, per unit area carried by EM fields:
 </p>
-<div class="core div" id="org90e3d26">
+<div class="core div" id="orgdc206f6">
 <p>
 {\bf Poynting vector}
 \[
@@ -1699,7 +1728,7 @@ Energy per unit time, per unit area carried by EM fields:
 <p>
 We can thus express Poynting's theorem more compactly:
 </p>
-<div class="core div" id="orgc1eb716">
+<div class="core div" id="org9460249">
 <p>
 {\bf Poynting's theorem}
 \[
@@ -1712,7 +1741,7 @@ We can thus express Poynting's theorem more compactly:
 <p>
 where we have defined the total
 </p>
-<div class="core div" id="orgac7f9d9">
+<div class="core div" id="orgeb66148">
 <p>
 {\bf Energy in electromagnetic fields}
 \[
@@ -1735,7 +1764,7 @@ Then,
 \]
 so we get the
 </p>
-<div class="core div" id="orgf8675a9">
+<div class="core div" id="org8be7377">
 <p>
 {\bf Poynting theorem (differential form)}
 \[
@@ -1752,7 +1781,7 @@ and has a similar for to the continuity equation
 
 
 
-<div class="example div" id="org0fdb2d9">
+<div class="example div" id="org69805a3">
 <p>
 \paragraph{Example 8.1}  Current in a wire:  Joule heating.  Energy per unit time delivered to wire:  from Poynting.
 Assuming that the field is uniform, the electric field parallel to the wire is
@@ -1797,7 +1826,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_emw.html b/build/emd_emw.html
index 52d85ec..420337f 100644
--- a/build/emd_emw.html
+++ b/build/emd_emw.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
 </svg></a><span class="headline-id">emd.emw</span></h3>
 
 <div class="outline-text-3" id="text-emd_emw">
-<details class="prereq" id="orgd0c1190">
-<summary id="org39fb2fc">
+<details class="prereq" id="orgccb0742">
+<summary id="org65b5674">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1603,8 +1632,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="org9925619">
-<summary id="org4ccd34a">
+<details class="objectives" id="org0b2c32c">
+<summary id="orgabe83b8">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1645,7 +1674,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_emw_ep.html b/build/emd_emw_ep.html
index 2c05365..8b21f34 100644
--- a/build/emd_emw_ep.html
+++ b/build/emd_emw_ep.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1623,7 +1652,7 @@ so for a monochromatic EM plan wave,
 \]
 or more succinctly:
 </p>
-<div class="main div" id="org0eacbcf">
+<div class="main div" id="org3c34193">
 <p>
 {\bf Poynting vector of a monochromatic EM wave}
 \[
@@ -1639,7 +1668,7 @@ This has a transparent physical interpretation: the energy density \(u\) flows w
 <p>
 Similary, we get the
 </p>
-<div class="main div" id="org05fac46">
+<div class="main div" id="org361020e">
 <p>
 {\bf Momentum density of a monochromatic EM wave}
 \[
@@ -1690,7 +1719,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_emw_mpw.html b/build/emd_emw_mpw.html
index 51f16db..9803efd 100644
--- a/build/emd_emw_mpw.html
+++ b/build/emd_emw_mpw.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1624,7 +1653,7 @@ B_0 = \frac{k}{\omega} E_0 = \frac{1}{c} E_0.
 Generalizing to propagation in the direction of an arbitrary wavevector
 \({\boldsymbol k}\) and (transverse) polarization vector \(\hat{\boldsymbol n}\), we have the
 </p>
-<div class="core div" id="org304040f">
+<div class="core div" id="orgaf2015e">
 <p>
 {\bf E and B fields for a monochromatic EM plane wave}
 \[
@@ -1668,7 +1697,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emd_emw_we.html b/build/emd_emw_we.html
index 177d261..18935fa 100644
--- a/build/emd_emw_we.html
+++ b/build/emd_emw_we.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1621,7 +1650,7 @@ These take the form of coupled first-order partial differential equations for \(
 Since \({\boldsymbol \nabla} \cdot {\bf E} = 0\) and \({\boldsymbol \nabla} \cdot {\bf B} = 0\),
 we get the
 </p>
-<div class="core div" id="org5f3e8fb">
+<div class="core div" id="orgc1dcb4b">
 <p>
 {\bf Wave equations for electric and magnetic fields in vacuum}
 \[
@@ -1677,7 +1706,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm.html b/build/emdm.html
index 4956e9e..d387e64 100644
--- a/build/emdm.html
+++ b/build/emdm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1617,7 +1646,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_Me.html b/build/emdm_Me.html
index 82a370b..4468f41 100644
--- a/build/emdm_Me.html
+++ b/build/emdm_Me.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1617,7 +1646,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_Me_Mem.html b/build/emdm_Me_Mem.html
index 7f3f484..87647c0 100644
--- a/build/emdm_Me_Mem.html
+++ b/build/emdm_Me_Mem.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1628,7 +1657,7 @@ dI = \frac{\partial \sigma_b}{\partial t} da_{\perp} = \frac{\partial P}{\partia
 \]
 We therefore have the
 </p>
-<div class="core div" id="org9309d43">
+<div class="core div" id="org51f1815">
 <p>
 {\bf Polarization current density}
 \[
@@ -1646,7 +1675,7 @@ the polarization current is the result of linear motion of charge when
 polarization changes).  We can check consistency with the continuity equation
 associated to the conservation of bound charges:
 </p>
-<aside id="org37f623e">
+<aside id="org467ee7a">
 <p>
 Note the unfortunate labelling: it would have been nicer to have \(\rho_b\) be the charge associated to current
   \({\boldsymbol J}_b\) but this is not the convention used here.
@@ -1669,7 +1698,7 @@ Changing magnetization does not lead to analogous accumulation of charge and cur
 In view of this:  total charge density can be separated into 2 parts,
 {\it free} and {\it bound}:
 </p>
-<div class="main div" id="org29f863b">
+<div class="main div" id="org29c3c4f">
 <p>
 \[
     \rho = \rho_f + \rho_b = \rho_f - {\boldsymbol \nabla} \cdot {\bf P}
@@ -1682,7 +1711,7 @@ In view of this:  total charge density can be separated into 2 parts,
 and current can be separated into three parts, {\it free}, {\it bound} and
 {\it polarization}:
 </p>
-<div class="main div" id="org851bf9b">
+<div class="main div" id="orgee8dfce">
 <p>
 \[
   {\bf J} = {\bf J}_f + {\bf J}_b + {\bf J}_p = {\bf J}_f + {\boldsymbol ∇} × {\bf M}
@@ -1706,7 +1735,7 @@ Gauss's law:  can be rewritten
 \]
 where (as in static case)
 </p>
-<div class="core div" id="org358a7bd">
+<div class="core div" id="orgaa4fe44">
 <p>
 \[
     {\bf D} \equiv \varepsilon_0 {\bf E} + {\bf P}
@@ -1732,7 +1761,7 @@ or
 \]
 where as before
 </p>
-<div class="core div" id="org64d8ed7">
+<div class="core div" id="org952d9d3">
 <p>
 \[
     {\bf H} \equiv \frac{1}{\mu_0} {\bf B} - {\bf M}
@@ -1750,7 +1779,7 @@ bound parts, since they don't involve \(\rho\) or \({\bf J}\).
 <p>
 In terms of free charges and currents, we thus get
 </p>
-<div class="core div" id="org5222e7f">
+<div class="core div" id="orgdc9fcaf">
 <p>
 {\bf Maxwell's equations {\it (in matter)}}
 </p>
@@ -1776,7 +1805,7 @@ Must be complemented by the {\bf constitutive relations} giving \({\bf D}\) and
 in terms of \({\bf E}\) and \({\bf B}\).
 For the restricted case of linear media:
 </p>
-<div class="main div" id="org9f37a42">
+<div class="main div" id="org4946062">
 <p>
 \[
     {\bf P} = \varepsilon_0 \chi_e {\bf E}, \hspace{1cm}
@@ -1813,7 +1842,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_Me_bc.html b/build/emdm_Me_bc.html
index 8539adb..e35352c 100644
--- a/build/emdm_Me_bc.html
+++ b/build/emdm_Me_bc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1595,7 +1624,7 @@ Table of contents
 <p>
 Discontinuities between different media, deduced from
 </p>
-<div class="core div" id="orgdfc4211">
+<div class="core div" id="orgdf7437e">
 <p>
 {\bf Maxwell's equations {\it (in matter)}, integral form}
 </p>
@@ -1686,7 +1715,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm.html b/build/emdm_emwm.html
index bb4ed02..3c63350 100644
--- a/build/emdm_emwm.html
+++ b/build/emdm_emwm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1620,7 +1649,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_ad.html b/build/emdm_emwm_ad.html
index 8445693..6776eda 100644
--- a/build/emdm_emwm_ad.html
+++ b/build/emdm_emwm_ad.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_ad_c.html b/build/emdm_emwm_ad_c.html
index 5136ee0..c3c2997 100644
--- a/build/emdm_emwm_ad_c.html
+++ b/build/emdm_emwm_ad_c.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1712,7 +1741,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_plm.html b/build/emdm_emwm_plm.html
index 4d41dd8..e50cef4 100644
--- a/build/emdm_emwm_plm.html
+++ b/build/emdm_emwm_plm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1630,7 +1659,7 @@ v = \frac{1}{\sqrt{\mu \varepsilon}} = \frac{c}{n}
 \]
 where the index of refraction of the material is defined as
 </p>
-<div class="main div" id="orgfca4f9b">
+<div class="main div" id="org74f7e8d">
 <p>
 {\bf Index of refraction}
 \[
@@ -1687,7 +1716,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_refl.html b/build/emdm_emwm_refl.html
index 215554c..abab20e 100644
--- a/build/emdm_emwm_refl.html
+++ b/build/emdm_emwm_refl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1631,7 +1660,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_refl_Ba.html b/build/emdm_emwm_refl_Ba.html
index 4000cb1..a3e3b0f 100644
--- a/build/emdm_emwm_refl_Ba.html
+++ b/build/emdm_emwm_refl_Ba.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1611,7 +1640,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_refl_Fe.html b/build/emdm_emwm_refl_Fe.html
index 7dbf6a2..aa1304a 100644
--- a/build/emdm_emwm_refl_Fe.html
+++ b/build/emdm_emwm_refl_Fe.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1612,7 +1641,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_refl_ni.html b/build/emdm_emwm_refl_ni.html
index 58defe2..ef6238d 100644
--- a/build/emdm_emwm_refl_ni.html
+++ b/build/emdm_emwm_refl_ni.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1703,7 +1732,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_refl_oi.html b/build/emdm_emwm_refl_oi.html
index 98e3121..cbe022f 100644
--- a/build/emdm_emwm_refl_oi.html
+++ b/build/emdm_emwm_refl_oi.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1630,7 +1659,7 @@ These forms for incident, reflected and transmitted wave can be substituted in t
 <p>
 From now on we will orient the axes so that \({\boldsymbol k}_I\) lies in the \(xz\) plane. This means that \({\boldsymbol k}_R\) and \({\boldsymbol k}_T\) also lie in that plane. This is the
 </p>
-<div class="core div" id="org909fdf0">
+<div class="core div" id="org5257e23">
 <p>
 {\bf First law of reflection:}
 the incident, reflected and transmitted wave vectors form a plane (called the plane of incidence) which also includes the normal to the surface.
@@ -1645,7 +1674,7 @@ Specializing (\ref{eq:RTObliquek}) to our notations, we have
 with the incidence (\(\theta_I\)) and reflection (\(\theta_R\)) angles
 and the angle of refraction (\(\theta_T\)) obey the following laws:
 </p>
-<div class="core div" id="orgee7521f">
+<div class="core div" id="org0362172">
 <p>
 {\bf Law of reflection}
 \[
@@ -1703,7 +1732,7 @@ while the third equation becomes
 \]
 Writing everything in terms of the incident amplitude, we get
 </p>
-<div class="main div" id="org4ac057c">
+<div class="main div" id="org11aebdb">
 <p>
 {\bf Fresnel's equations for reflection and transmission amplitudes (parallel case)}
 \[
@@ -1723,7 +1752,7 @@ Amplitudes for transmitted and reflected wave: depend on angle of incidence:
 Behaviour: for \(\theta_I = 0\) we recover (\ref{Gr(9.82)}).
 For grazing waves \(\theta_I \rightarrow \pi/2\) we have that \(\alpha \rightarrow \infty\) and the wave is totally reflected. The most interesting angle is the one at which \(\alpha = \beta\) and the reflected wave has zero amplitude. This is known as
 </p>
-<div class="main div" id="org47f16fc">
+<div class="main div" id="org432eb4f">
 <p>
 {\bf Brewster's angle {\it (at which the reflected wave amplitude vanishes)}}
   \[
@@ -1773,7 +1802,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_refr.html b/build/emdm_emwm_refr.html
index 6b12d66..19e7c3a 100644
--- a/build/emdm_emwm_refr.html
+++ b/build/emdm_emwm_refr.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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+</li>
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 </li>
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_wg.html b/build/emdm_emwm_wg.html
index a1c7633..747f026 100644
--- a/build/emdm_emwm_wg.html
+++ b/build/emdm_emwm_wg.html
@@ -1,7 +1,7 @@
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 <html lang="en">
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
+
+</ul>
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+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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 <li>
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+
+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_wg_c.html b/build/emdm_emwm_wg_c.html
index b49a183..d7497e7 100644
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <li>
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+
+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1638,7 +1667,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_wg_gw.html b/build/emdm_emwm_wg_gw.html
index 4235ab1..0e157a7 100644
--- a/build/emdm_emwm_wg_gw.html
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@@ -1,7 +1,7 @@
 <!DOCTYPE html>
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1662,7 +1691,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emdm_emwm_wg_r.html b/build/emdm_emwm_wg_r.html
index e821d2d..66ea017 100644
--- a/build/emdm_emwm_wg_r.html
+++ b/build/emdm_emwm_wg_r.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1671,7 +1700,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emf.html b/build/emf.html
index 6066c8c..f6e4a36 100644
--- a/build/emf.html
+++ b/build/emf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
 </svg></a><span class="headline-id">emf</span></h2>
 
 <div class="outline-text-2" id="text-emf">
-<details class="prereq" id="org2fe6b4b">
-<summary id="orgae4a3d9">
+<details class="prereq" id="orga060b72">
+<summary id="org694c2b7">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1602,8 +1631,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="org52aa226">
-<summary id="orgcbd8789">
+<details class="objectives" id="orgdf6ad7f">
+<summary id="org404ebae">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1639,7 +1668,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emf_g.html b/build/emf_g.html
index aa7e41f..df22a9c 100644
--- a/build/emf_g.html
+++ b/build/emf_g.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1636,7 +1665,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emf_g_Cg.html b/build/emf_g_Cg.html
index 5e1f799..a93db37 100644
--- a/build/emf_g_Cg.html
+++ b/build/emf_g_Cg.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1635,7 +1664,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emf_g_Lg.html b/build/emf_g_Lg.html
index d514b28..b9a2435 100644
--- a/build/emf_g_Lg.html
+++ b/build/emf_g_Lg.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1608,7 +1637,7 @@ while the equation for \(V\) becomes
 \]
 These can be written compactly upon introducing a new operator: the
 </p>
-<div class="core div" id="orgb9c49fb">
+<div class="core div" id="org60d2ea9">
 <p>
 {\bf d'Alembertian operator}
 \[
@@ -1621,7 +1650,7 @@ These can be written compactly upon introducing a new operator: the
 <p>
 so we get the
 </p>
-<div class="core div" id="org3dbf083">
+<div class="core div" id="org8c509da">
 <p>
 {\bf Inhomogeneous Maxwell equations (Lorenz gauge)}
 \[
@@ -1671,7 +1700,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emf_svp.html b/build/emf_svp.html
index 1a9ae97..9522041 100644
--- a/build/emf_svp.html
+++ b/build/emf_svp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1609,7 +1638,7 @@ Useful strategy: represent fields in terms of potentials.
 <p>
 Easiest:
 </p>
-<div class="core div" id="orgaf6ad03">
+<div class="core div" id="org213e22d">
 <p>
 \[
     {\boldsymbol B} = {\boldsymbol \nabla} \times {\boldsymbol A}
@@ -1625,7 +1654,7 @@ Putting this into Faraday's law gives
 \]
 so this can be written as the gradient of a scalar (by choice: \(-{\boldsymbol \nabla} V\)) so we get
 </p>
-<div class="core div" id="org9a58c0a">
+<div class="core div" id="org37d42c9">
 <p>
 \[
     {\boldsymbol E} = -{\boldsymbol \nabla} V - \frac{\partial {\boldsymbol A}}{\partial t}
@@ -1638,7 +1667,7 @@ so this can be written as the gradient of a scalar (by choice: \(-{\boldsymbol \
 <p>
 Using this potential representation for \({\boldsymbol E}\) and \({\boldsymbol B}\) automatically fulfills the two homogeneous Maxwell equations. For the inhomogeneous equations, substituting (\ref{eq:E_from_Potentials}) into Gauss's law gives
 </p>
-<div class="main div" id="org9e766d3">
+<div class="main div" id="org2bb1f3a">
 <p>
 \[
     {\boldsymbol \nabla}^2 V + \frac{\partial}{\partial t} {\boldsymbol \nabla} \cdot {\boldsymbol A} = -\frac{\rho}{\varepsilon_0}
@@ -1654,7 +1683,7 @@ whereas Amp{\`ere}-Maxwell becomes
 \]
 which becomes after simple rearrangement and use of the identity \({\boldsymbol \nabla} \times \left({\boldsymbol \nabla} \times {\boldsymbol A}\right) = {\boldsymbol \nabla} ({\boldsymbol \nabla} \cdot {\boldsymbol A}) - {\boldsymbol \nabla}^2 {\boldsymbol A}\),
 </p>
-<div class="main div" id="org5364b31">
+<div class="main div" id="org5c628f6">
 <p>
 \[
   \left( {\boldsymbol ∇}^2 {\boldsymbol A} - μ_0 ε_0 \frac{∂^2 {\boldsymbol A}}{∂ t^2} \right)
@@ -1690,7 +1719,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems.html b/build/ems.html
index 59df1c2..85435d0 100644
--- a/build/ems.html
+++ b/build/ems.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1619,7 +1648,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca.html b/build/ems_ca.html
index 764095b..c25ef74 100644
--- a/build/ems_ca.html
+++ b/build/ems_ca.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1597,8 +1626,8 @@ Table of contents
 <li>Gr 3</li>
 </ul>
 
-<details class="prereq" id="orgbfc6a9b">
-<summary id="org8848e57">
+<details class="prereq" id="org6e27ef2">
+<summary id="org5cb0144">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1606,8 +1635,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="orgab6b502">
-<summary id="org1296d42">
+<details class="objectives" id="org66a1990">
+<summary id="org6dae755">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1645,7 +1674,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_fe.html b/build/ems_ca_fe.html
index 9a5b265..6935e66 100644
--- a/build/ems_ca_fe.html
+++ b/build/ems_ca_fe.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1603,7 +1632,7 @@ A generic configuration of static charges coupled via the Coulomb interaction
 defines an electrostatic problem, whose solution is in principle obtained
 from calculating either the field according to <a href="./ems_es_ef_ccd.html#E_vcd">E_vcd</a>
 </p>
-<div class="main div" id="org8506f8e">
+<div class="main div" id="org140ccb6">
 <p>
 
 </p>
@@ -1617,7 +1646,7 @@ from calculating either the field according to <a href="./ems_es_ef_ccd.html#E_v
 or (often simpler) by calculating the electrostatic potential, using either the
 explicit construction <a href="./ems_es_ep_d.html#p_vcd">p_vcd</a>
 </p>
-<div class="main div" id="org5719824">
+<div class="main div" id="orgc35ae72">
 <p>
 
 </p>
@@ -1637,7 +1666,7 @@ condition <a href="./ems_es_ef_cE.html#curlE0">curlE0</a> can be expressed as th
 <a href="./ems_es_ep_PL.html#Poi">🐟</a>
 </p>
 
-<div class="core div" id="org3f71da0">
+<div class="core div" id="org7a45415">
 <p>
 
 </p>
@@ -1653,7 +1682,7 @@ condition <a href="./ems_es_ef_cE.html#curlE0">curlE0</a> can be expressed as th
 <p>
 In the specific case where the charge density vanishes, we fall back onto the simpler Laplace equation <a href="./ems_es_ep_PL.html#Lap">Lap</a>
 </p>
-<div class="core div" id="org5ce296d">
+<div class="core div" id="orgb0ca256">
 <p>
 
 </p>
@@ -1691,7 +1720,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_fe_L.html b/build/ems_ca_fe_L.html
index 2882c79..0ec2ddc 100644
--- a/build/ems_ca_fe_L.html
+++ b/build/ems_ca_fe_L.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1609,14 +1638,14 @@ In one dimension, the potential is a single-variable
 function \(\phi (x)\) and the Laplace equation reads
 </p>
 
-<div class="eqlabel" id="org725867f">
+<div class="eqlabel" id="orgc3104bc">
 <p>
 <a id="Lap_1d"></a><a href="./ems_ca_fe_L.html#Lap_1d"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org2a0a535">
+<div class="alteqlabels" id="org7cf3c4b">
 
 </div>
 
@@ -1631,14 +1660,14 @@ function \(\phi (x)\) and the Laplace equation reads
 <p>
 The solution to this is
 </p>
-<div class="eqlabel" id="orgc6b3d69">
+<div class="eqlabel" id="org9c7d537">
 <p>
 <a id="Lap_1d_sol"></a><a href="./ems_ca_fe_L.html#Lap_1d_sol"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org95476d4">
+<div class="alteqlabels" id="org9c28632">
 <ul class="org-ul">
 <li>Gr (3.6)</li>
 </ul>
@@ -1697,14 +1726,14 @@ In two dimensions, the potential becomes a function
 of two variables (here: \(x\) and \(y\)), so Laplace's
 equation now reads
 </p>
-<div class="eqlabel" id="org061811b">
+<div class="eqlabel" id="orgcb6bc04">
 <p>
 <a id="Lap_2d"></a><a href="./ems_ca_fe_L.html#Lap_2d"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org4f02882">
+<div class="alteqlabels" id="orgfa108be">
 
 </div>
 
@@ -1757,14 +1786,14 @@ a point equals its value averaged over a sphere
 \(S_R({\bf r})\) of any radius \(R\) centered on this point
 (and of course not containing any charges),
 </p>
-<div class="eqlabel" id="orgdcc647d">
+<div class="eqlabel" id="orgfa4a823">
 <p>
 <a id="p_ball_avg"></a><a href="./ems_ca_fe_L.html#p_ball_avg"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgce61baf">
+<div class="alteqlabels" id="org576e24c">
 
 </div>
 
@@ -1776,8 +1805,8 @@ a point equals its value averaged over a sphere
 \]
 </p>
 
-<details id="orge7969c9">
-<summary id="org65097bb">
+<details id="org6ed4b45">
+<summary id="org088d2fd">
 <strong>Physicist's proof</strong>
 </summary>
 <p>
@@ -1839,8 +1868,8 @@ proving the theorem.
 </p>
 </details>
 
-<details id="orgf16a408">
-<summary id="orgdc4e491">
+<details id="orgb01e597">
+<summary id="orgf937e13">
 <strong>Formal proof</strong>
 </summary>
 
@@ -1890,14 +1919,14 @@ we get the following general
 <p>
 <b>Theorem</b>:
 </p>
-<div class="eqlabel" id="orgb167571">
+<div class="eqlabel" id="org5dbce0a">
 <p>
 <a id="dfdR_intLap"></a><a href="./ems_ca_fe_L.html#dfdR_intLap"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgb04c004">
+<div class="alteqlabels" id="org73f4d24">
 
 </div>
 
@@ -1950,19 +1979,19 @@ are necessarily positive, we thus require \(f_x &gt; 0\), \(f_y &gt; 0\) and \(f
 of the \(f_x + f_y + f_z = 0\) condition above.
 </p>
 
-<div class="eqlabel" id="org368f926">
+<div class="eqlabel" id="org3cd4c43">
 <p>
 <a id="Earnshaw"></a><a href="./ems_ca_fe_L.html#Earnshaw"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgd8486b2">
+<div class="alteqlabels" id="org61c0e88">
 
 </div>
 
 </div>
-<div class="info div" id="org74af865">
+<div class="info div" id="org9b11c3d">
 <p>
 <b>Earnshaw's theorem (physical version)</b> <br>
 </p>
@@ -2006,7 +2035,7 @@ One can explicitly verify this:
 
 <p>
 \[
-{\boldsymbol \nabla}^2 V ({\bf r}) = \frac{1}{4\pi \varepsilon_0} \int_{\mathbb{R}^3} d\tau' \rho({\bf r}') {\boldsymbol \nabla}^2 \frac{1}{|{\bf r} - {\bf r}'|}
+{\boldsymbol \nabla}^2 \phi ({\bf r}) = \frac{1}{4\pi \varepsilon_0} \int_{\mathbb{R}^3} d\tau' \rho({\bf r}') {\boldsymbol \nabla}^2 \frac{1}{|{\bf r} - {\bf r}'|}
 = \frac{1}{4\pi \varepsilon_0} \int_{\mathbb{R}^3} d\tau' (-4\pi) \delta ({\bf r} - {\bf r}') = -\frac{\rho ({\bf r})}{\varepsilon_0}.
 \]
 </p>
@@ -2081,7 +2110,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_fe_g.html b/build/ems_ca_fe_g.html
index ebd7fa6..88b2762 100644
--- a/build/ems_ca_fe_g.html
+++ b/build/ems_ca_fe_g.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1592,11 +1621,11 @@ Table of contents
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a><span class="headline-id">ems.ca.fe.g</span></h5>
 <div class="outline-text-5" id="text-ems_ca_fe_g">
-<div class="info div" id="orgf2e5cc5">
+<div class="info div" id="org1f63c73">
 <p>
 <b>George Green</b>
 </p>
-<aside id="org5d7a251">
+<aside id="orgf860ba9">
 <p>
 See a <a href="https://en.wikipedia.org/wiki/George%5C_Green%5C_(mathematician)">short bio on wikipedia</a>
 </p>
@@ -1629,14 +1658,14 @@ and
 \]
 Substituting this in the divergence theorem gives <b>Green's first identity</b>
 </p>
-<div class="eqlabel" id="org6097b29">
+<div class="eqlabel" id="org72aea90">
 <p>
 <a id="Green1"></a><a href="./ems_ca_fe_g.html#Green1"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgce16d0c">
+<div class="alteqlabels" id="org28d41a7">
 <ul class="org-ul">
 <li>J (1.34)</li>
 </ul>
@@ -1654,14 +1683,14 @@ As an aside for now, for completeness, if we do the same thing again but with \(
 interchanged, and subtract the result, we obtain another useful result known as
 <b>Green's second identity</b> or <b>Green's theorem</b>
 </p>
-<div class="eqlabel" id="org867d0df">
+<div class="eqlabel" id="orgaa4afed">
 <p>
 <a id="Green2"></a><a href="./ems_ca_fe_g.html#Green2"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org43111e9">
+<div class="alteqlabels" id="org7c8256e">
 <ul class="org-ul">
 <li>J (1.35)</li>
 </ul>
@@ -1697,7 +1726,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_fe_uP.html b/build/ems_ca_fe_uP.html
index 0944db5..3f84b19 100644
--- a/build/ems_ca_fe_uP.html
+++ b/build/ems_ca_fe_uP.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1614,14 +1643,14 @@ This yields
 The first term on the left-hand side vanishes since \(\Phi\) satisfies Laplace.
 The right-hand side can be made to vanish if \(\Phi\) obeys either
 </p>
-<div class="eqlabel" id="org395b03a">
+<div class="eqlabel" id="org973c1dd">
 <p>
 <a id="Dirichlet"></a><a href="./ems_ca_fe_uP.html#Dirichlet"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org1c885da">
+<div class="alteqlabels" id="org60ffac3">
 
 </div>
 
@@ -1633,14 +1662,14 @@ The right-hand side can be made to vanish if \(\Phi\) obeys either
 <p>
 or
 </p>
-<div class="eqlabel" id="org3d89e7d">
+<div class="eqlabel" id="orgc1e604b">
 <p>
 <a id="Neumann"></a><a href="./ems_ca_fe_uP.html#Neumann"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org77d6e85">
+<div class="alteqlabels" id="org55bfe96">
 
 </div>
 
@@ -1668,19 +1697,19 @@ additive constant.
 <p>
 We can thus finally state the
 </p>
-<div class="eqlabel" id="org6fb0db3">
+<div class="eqlabel" id="org9e3ab18">
 <p>
 <a id="uniq_thm"></a><a href="./ems_ca_fe_uP.html#uniq_thm"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org2f9b54c">
+<div class="alteqlabels" id="org1fe3bbf">
 
 </div>
 
 </div>
-<div class="core div" id="org74357be">
+<div class="core div" id="org2db6849">
 <p>
 <b>Uniqueness Theorem</b>
 </p>
@@ -1719,7 +1748,7 @@ Reading other books, you might be misled into thinking that there are numerous c
 and corollaries and that things are
 </p>
 
-<div class="info div" id="org9240688">
+<div class="info div" id="org6e4c445">
 <p>
 <b>Comment/warning</b>: <b>uniqueness theorem on uniqueness theorems</b> <br>
   Do not be misled: there is a <i>unique</i> uniqueness theorem for the
@@ -1746,7 +1775,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_me.html b/build/ems_ca_me.html
index 53ed921..5a1fe43 100644
--- a/build/ems_ca_me.html
+++ b/build/ems_ca_me.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1624,7 +1653,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_me_Ed.html b/build/ems_ca_me_Ed.html
index 9245538..4b26fd9 100644
--- a/build/ems_ca_me_Ed.html
+++ b/build/ems_ca_me_Ed.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1613,14 +1642,14 @@ E_\phi &amp;= -\frac{1}{r \sin \theta} \frac{\partial \phi}{\partial \varphi} =
 <p>
 we get
 </p>
-<div class="eqlabel" id="org4b96df1">
+<div class="eqlabel" id="orgacc4a68">
 <p>
 <a id="E_di_1"></a><a href="./ems_ca_me_Ed.html#E_di_1"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org5cec944">
+<div class="alteqlabels" id="org74a52a2">
 <ul class="org-ul">
 <li>Gr (3.103)</li>
 </ul>
@@ -1642,14 +1671,14 @@ E_d ({\bf r}) = - \frac{1}{4\pi \varepsilon_0} \nabla \frac{{\bf p} \cdot {\bf r
 \]
 immediately yielding the coordinate-free expression
 </p>
-<div class="eqlabel" id="org171010f">
+<div class="eqlabel" id="org9a8ba08">
 <p>
 <a id="E_di"></a><a href="./ems_ca_me_Ed.html#E_di"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org9002cb0">
+<div class="alteqlabels" id="org82c7c7b">
 <ul class="org-ul">
 <li>Gr (3.104)</li>
 </ul>
@@ -1689,7 +1718,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_me_Eq.html b/build/ems_ca_me_Eq.html
index 21b7f12..d20753f 100644
--- a/build/ems_ca_me_Eq.html
+++ b/build/ems_ca_me_Eq.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_me_a.html b/build/ems_ca_me_a.html
index c4f727a..87c9ce4 100644
--- a/build/ems_ca_me_a.html
+++ b/build/ems_ca_me_a.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1607,14 +1636,14 @@ By Taylor expanding, we get
 Formally, we could do this for any vector \({\bf r}_s\) such that \(|{\bf r}_s| &lt; |{\bf r}|\) by
 Taylor expanding with the \({\boldsymbol \nabla}\) operator,
 </p>
-<div class="eqlabel" id="org2f11e20">
+<div class="eqlabel" id="org07869ee">
 <p>
 <a id="1or_grad"></a><a href="./ems_ca_me_a.html#1or_grad"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org68a5a43">
+<div class="alteqlabels" id="org955ac35">
 
 </div>
 
@@ -1632,14 +1661,14 @@ the potential takes the form of the general solution of Laplace's equation <a hr
 Reading the parameters, we get \(A_l = 0\), \(B_l = r_s^l\).  Putting back a generic angle
 (the coefficients remain the same), we thus get
 </p>
-<div class="eqlabel" id="org3327c78">
+<div class="eqlabel" id="org11c552e">
 <p>
 <a id="1or_Leg"></a><a href="./ems_ca_me_a.html#1or_Leg"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgd5299dc">
+<div class="alteqlabels" id="orgbd7eb1f">
 <ul class="org-ul">
 <li>Gr(3.94)</li>
 </ul>
@@ -1661,14 +1690,14 @@ we can expand the potential at a point \({\bf r}\) outside \({\cal V}\) accordin
 (here, we put the origin of our coordinate system closer to all points in \({\cal V}\) than to \({\bf r}\)
 to ensure convergence)
 </p>
-<div class="eqlabel" id="org88ba16d">
+<div class="eqlabel" id="org07e900b">
 <p>
 <a id="p_Leg"></a><a href="./ems_ca_me_a.html#p_Leg"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org2497d6a">
+<div class="alteqlabels" id="org446d0df">
 <ul class="org-ul">
 <li>Gr (3.95)</li>
 </ul>
@@ -1731,14 +1760,14 @@ For \(r \gg d\), we can expand (immediately dropping terms of order \(d^2/r^2\))
 Putting things together, the leading term in the expansion <a href="./ems_ca_me_a.html#p_Leg">p_Leg</a> for the
 potential of the physical dipole is given by
 </p>
-<div class="eqlabel" id="orgaba613e">
+<div class="eqlabel" id="orgba371d5">
 <p>
 <a id="p_physdi"></a><a href="./ems_ca_me_a.html#p_physdi"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgbfa2f9c">
+<div class="alteqlabels" id="org854bb7d">
 <ul class="org-ul">
 <li>Gr (3.90)</li>
 </ul>
@@ -1785,7 +1814,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_me_h.html b/build/ems_ca_me_h.html
index 00df6dd..32517f1 100644
--- a/build/ems_ca_me_h.html
+++ b/build/ems_ca_me_h.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1600,19 +1629,19 @@ The next terms in the expansion are obtained similarly: the <b>quadrupole</b> te
 \]
 and can be rewritten as
 </p>
-<div class="eqlabel" id="org22e05e1">
+<div class="eqlabel" id="orgce02e96">
 <p>
 <a id="p_quad"></a><a href="./ems_ca_me_h.html#p_quad"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org87d8664">
+<div class="alteqlabels" id="org605c191">
 
 </div>
 
 </div>
-<div class="main div" id="org833120d">
+<div class="main div" id="org03c4d80">
 <p>
 \[
 \phi_q ({\bf r}) = \frac{1}{4\pi \varepsilon_0} \frac{1}{2} \sum_{a,b} \frac{r_a r_b}{r^5} Q_{ab}
@@ -1624,19 +1653,19 @@ and can be rewritten as
 <p>
 in terms of the <b>quadrupole moment</b>
 </p>
-<div class="eqlabel" id="org9378bcc">
+<div class="eqlabel" id="org4b10050">
 <p>
 <a id="quadmom"></a><a href="./ems_ca_me_h.html#quadmom"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org165ace8">
+<div class="alteqlabels" id="orgdff6da9">
 
 </div>
 
 </div>
-<div class="main div" id="org7f3d6ba">
+<div class="main div" id="orgc0bda40">
 <p>
 \[
 Q_{ab} = \int_{\cal V} d\tau_s (3 r_{s,a} r_{s,b} - r_s^2 \delta_{a,b}) \rho ({\bf r}_s).
@@ -1655,19 +1684,19 @@ This is a symmetric, traceless rank \(2\) tensor: \(Q_{ab} = Q_{ba}\) and
 <p>
 Our expansion for the potential, with terms up to quadrupole ones, thus looks like
 </p>
-<div class="eqlabel" id="orgf50d8c0">
+<div class="eqlabel" id="org0d6ba87">
 <p>
 <a id="p_mdq"></a><a href="./ems_ca_me_h.html#p_mdq"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgb7642e6">
+<div class="alteqlabels" id="org141c90e">
 
 </div>
 
 </div>
-<div class="main div" id="orgcc303cc">
+<div class="main div" id="org713f137">
 <p>
 \[
 \phi({\bf r}) = \frac{1}{4\pi \varepsilon_0} \left( \frac{Q}{r} + \sum_a \frac{r_a}{r^3} p_a + \frac{1}{2} \sum_{a,b} \frac{r_a r_b}{r^5} Q_{ab} + ... \right)
@@ -1688,7 +1717,7 @@ the leading nonvanishing multipole moment is independent of the chosen location
 the origin of the coordinate system (see Jackson Prob. 4.4).
 </p>
 
-<div class="info div" id="orga188fa3">
+<div class="info div" id="orge8fcd69">
 <p>
 <b>A consistent nomenclature for the multipole expansion?</b>
 </p>
@@ -1837,7 +1866,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_me_md.html b/build/ems_ca_me_md.html
index 022fa3f..c041309 100644
--- a/build/ems_ca_me_md.html
+++ b/build/ems_ca_me_md.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1596,14 +1625,14 @@ Table of contents
 The series <a href="./ems_ca_me_a.html#p_Leg">p_Leg</a> is organized in increasing powers of inverse distance.
 The leading term is called the *monopole term, and is
 </p>
-<div class="eqlabel" id="orgc2cd1b8">
+<div class="eqlabel" id="org9c99920">
 <p>
 <a id="p_mono"></a><a href="./ems_ca_me_md.html#p_mono"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org2620410">
+<div class="alteqlabels" id="org8c3bfe9">
 <ul class="org-ul">
 <li>Gr (3.97)</li>
 </ul>
@@ -1611,7 +1640,7 @@ The leading term is called the *monopole term, and is
 </div>
 
 </div>
-<div class="core div" id="org7b969d5">
+<div class="core div" id="orgc157039">
 <p>
 \[
 \phi_m ({\bf r}) = \frac{1}{4\pi \varepsilon_0} \frac{Q}{r}, \hspace{1cm}
@@ -1632,19 +1661,19 @@ The next term is the <b>dipole</b> term:  by using \(P_1 (x) = x\), we have
 \]
 This can be written
 </p>
-<div class="eqlabel" id="orge850757">
+<div class="eqlabel" id="orgfb0413b">
 <p>
 <a id="p_di"></a><a href="./ems_ca_me_md.html#p_di"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org00beb5e">
+<div class="alteqlabels" id="org5ca2a9f">
 
 </div>
 
 </div>
-<div class="core div" id="org9370911">
+<div class="core div" id="orgf8a3111">
 <p>
 \[
 \phi_d ({\bf r}) = \frac{1}{4\pi \varepsilon_0} \frac{\hat{\bf r} \cdot {\bf p}}{r^2},
@@ -1694,7 +1723,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_mi.html b/build/ems_ca_mi.html
index fcbcb33..8e36d34 100644
--- a/build/ems_ca_mi.html
+++ b/build/ems_ca_mi.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1625,14 +1654,14 @@ by distance \(d\). For definiteness, we put a charge \(q\) at coordinate
 <p>
 By superposition, we have that
 </p>
-<div class="eqlabel" id="org99bc1ea">
+<div class="eqlabel" id="org7c54fc1">
 <p>
 <a id="p_di_z"></a><a href="./ems_ca_mi.html#p_di_z"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org754d979">
+<div class="alteqlabels" id="org8bb88b1">
 <ul class="org-ul">
 <li>FLS II (6.8)</li>
 <li>Gr (3.9)</li>
@@ -1690,7 +1719,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_mi_fe.html b/build/ems_ca_mi_fe.html
index bde6aef..4eb3d9b 100644
--- a/build/ems_ca_mi_fe.html
+++ b/build/ems_ca_mi_fe.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1596,14 +1625,14 @@ Table of contents
 The force between the point charge and the plane
 is the same as in the case of two point charges:
 </p>
-<div class="eqlabel" id="orgae4d0c3">
+<div class="eqlabel" id="org47507cc">
 <p>
 <a id="F_dip_z"></a><a href="./ems_ca_mi_fe.html#F_dip_z"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org2d7d79a">
+<div class="alteqlabels" id="org6efcd56">
 <ul class="org-ul">
 <li>Gr (3.12)</li>
 </ul>
@@ -1656,7 +1685,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_mi_isc.html b/build/ems_ca_mi_isc.html
index 2df7e5a..df87a88 100644
--- a/build/ems_ca_mi_isc.html
+++ b/build/ems_ca_mi_isc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1596,14 +1625,14 @@ Table of contents
 Use <a href="./ems_es_c_sc.html#scd_cond">scd_cond</a>, with the normal direction now
 being \(\hat{\bf z}\):
 </p>
-<div class="eqlabel" id="orge4db30f">
+<div class="eqlabel" id="org9bf4615">
 <p>
 <a id="scd_dip_z"></a><a href="./ems_ca_mi_isc.html#scd_dip_z"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgdce803e">
+<div class="alteqlabels" id="orga19fe4d">
 <ul class="org-ul">
 <li>Gr (3.10)</li>
 </ul>
@@ -1624,14 +1653,14 @@ The total induced charge can be obtained by simple integration as
 Using planar coordinates,
 \(\sigma(r) = \frac{-qd}{4\pi (r^2 + (d/2)^2)^{3/2}}\), so
 </p>
-<div class="eqlabel" id="org73db73c">
+<div class="eqlabel" id="orgaff6b04">
 <p>
 <a id="sc_dip_z"></a><a href="./ems_ca_mi_isc.html#sc_dip_z"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org9bbd6e1">
+<div class="alteqlabels" id="org38ab593">
 <ul class="org-ul">
 <li>Gr (3.11)</li>
 </ul>
@@ -1672,7 +1701,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_mi_o.html b/build/ems_ca_mi_o.html
index d91bd52..a1ddffc 100644
--- a/build/ems_ca_mi_o.html
+++ b/build/ems_ca_mi_o.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1655,7 +1684,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_sv.html b/build/ems_ca_sv.html
index cd59462..60dda37 100644
--- a/build/ems_ca_sv.html
+++ b/build/ems_ca_sv.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1635,7 +1664,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_sv_car.html b/build/ems_ca_sv_car.html
index d89a285..170b0d1 100644
--- a/build/ems_ca_sv_car.html
+++ b/build/ems_ca_sv_car.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1592,7 +1621,7 @@ Table of contents
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a><span class="headline-id">ems.ca.sv.car</span></h5>
 <div class="outline-text-5" id="text-ems_ca_sv_car">
-<div class="example div" id="orge648e47">
+<div class="example div" id="org7c143ee">
 <p>
 
 </p>
@@ -1638,14 +1667,14 @@ This thus falls back onto a 2d problem.  We need to solve the 2d Laplace equatio
 <p>
 Let us look for solutions in the form
 </p>
-<div class="eqlabel" id="orgced75e2">
+<div class="eqlabel" id="orgc1d721a">
 <p>
 <a id="Lap_sv_car"></a><a href="./ems_ca_sv_car.html#Lap_sv_car"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgcb5fd31">
+<div class="alteqlabels" id="org31af73c">
 <ul class="org-ul">
 <li>Gr (3.23)</li>
 </ul>
@@ -1664,14 +1693,14 @@ individual term in the Laplace equation equals a constant,
 and that these constants add up to zero. We can thus put (the sign choice anticipates
 the solution somewhat)
 </p>
-<div class="eqlabel" id="orgcb22008">
+<div class="eqlabel" id="org251a96b">
 <p>
 <a id="Lap_sv_car_sep"></a><a href="./ems_ca_sv_car.html#Lap_sv_car_sep"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgbd536a2">
+<div class="alteqlabels" id="org88ee470">
 <ul class="org-ul">
 <li>Gr (3.26)</li>
 </ul>
@@ -1695,14 +1724,14 @@ Let's look first of all at the solutions of <a href="./ems_ca_sv_car.html#Lap_sv
 Since this is a second-order linear differential equation, there are two linearly
 independent solutions.  The most general solution for \(X\) and \(Y\) can be written
 </p>
-<div class="eqlabel" id="orgd2e2516">
+<div class="eqlabel" id="org726561e">
 <p>
 <a id="Lap_sv_car_solXY"></a><a href="./ems_ca_sv_car.html#Lap_sv_car_solXY"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org2b25559">
+<div class="alteqlabels" id="org8b9b9bf">
 <ul class="org-ul">
 <li>Gr (3.27)</li>
 </ul>
@@ -1759,14 +1788,14 @@ C_n = \frac{2}{a} \int_0^a dy ~\phi_0(y) \sin(n\pi y/a)
 <p>
 <b>Specific example</b>:  say that \(\phi_0(y) = \phi_0\), <i>i.e.</i> just a constant.  Then,
 </p>
-<div class="eqlabel" id="org2d1fea2">
+<div class="eqlabel" id="org59f8cc6">
 <p>
 <a id="Cn"></a><a href="./ems_ca_sv_car.html#Cn"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgbbcdd21">
+<div class="alteqlabels" id="orgebe91c6">
 <ul class="org-ul">
 <li>Gr (3.35)</li>
 </ul>
@@ -1820,7 +1849,7 @@ The solution for the specific case \(\phi_0 (y) = \phi_0\) is thus
 </p>
 
 
-<div class="example div" id="org5434cea">
+<div class="example div" id="orgbb552f5">
 <p>
 <b>Example: rectangular pipe</b>
 </p>
@@ -1877,14 +1906,14 @@ The full solution is then a linear combination of complete set of functions,
 The coefficients must be chosen such that \((iii)\) is fulfilled, \(\phi(b,y) = \phi_0\).
 This simple case of a constant value \(\phi_0\) gives us the same relation as <a href="./ems_ca_sv_car.html#Cn">Cn</a>, so
 </p>
-<div class="eqlabel" id="org6eedfb9">
+<div class="eqlabel" id="org6340be9">
 <p>
 <a id="p_recpipe"></a><a href="./ems_ca_sv_car.html#p_recpipe"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org0ba9222">
+<div class="alteqlabels" id="org9ad9f59">
 <ul class="org-ul">
 <li>Gr (3.42)</li>
 </ul>
@@ -1920,7 +1949,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_sv_cyl.html b/build/ems_ca_sv_cyl.html
index 5bc5ac9..e5f689e 100644
--- a/build/ems_ca_sv_cyl.html
+++ b/build/ems_ca_sv_cyl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1612,7 +1641,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ca_sv_sph.html b/build/ems_ca_sv_sph.html
index 2d92c31..c53966d 100644
--- a/build/ems_ca_sv_sph.html
+++ b/build/ems_ca_sv_sph.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1596,14 +1625,14 @@ Table of contents
 In spherical coordinates, the Laplace equation takes the following form
 (using <a href="./c_m_cs_sph.html#sph_Lap">sph_Lap</a>):
 </p>
-<div class="eqlabel" id="org5a10272">
+<div class="eqlabel" id="org65131aa">
 <p>
 <a id="Lap_sph"></a><a href="./ems_ca_sv_sph.html#Lap_sph"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orga5fe900">
+<div class="alteqlabels" id="org9505dde">
 <ul class="org-ul">
 <li>Gr (3.53)</li>
 <li>W (11-86)</li>
@@ -1612,7 +1641,7 @@ In spherical coordinates, the Laplace equation takes the following form
 </div>
 
 </div>
-<div class="main div" id="org2793267">
+<div class="main div" id="org44c2561">
 <p>
 
 </p>
@@ -1629,14 +1658,14 @@ In spherical coordinates, the Laplace equation takes the following form
 If you are dealing with a problem having <b>azimuthal symmetry</b>,
 \(\phi\) is independent of \(\varphi\) and the equation simplifies to:
 </p>
-<div class="eqlabel" id="org7ecd5cd">
+<div class="eqlabel" id="org23e776f">
 <p>
 <a id="Lap_sph_az"></a><a href="./ems_ca_sv_sph.html#Lap_sph_az"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orga1bb43a">
+<div class="alteqlabels" id="org18a018d">
 <ul class="org-ul">
 <li>Gr (3.54)</li>
 <li>W (11-87)</li>
@@ -1734,7 +1763,7 @@ This equation is solved by <b>Legendre polynomials</b> of the variable \(\cos \t
 </p>
 
 
-<div class="info div" id="orgf968dfc">
+<div class="info div" id="org774527b">
 <p>
 <b>Legendre polynomials</b>
 </p>
@@ -1755,14 +1784,14 @@ and conveniently defined (for trigonometric arguments) to obey the orthogonality
 relationship (the reason for the normalization on the right-hand side will become clear later)
 </p>
 
-<div class="eqlabel" id="org019c756">
+<div class="eqlabel" id="org6ce8771">
 <p>
 <a id="Leg_orth_trig"></a><a href="./ems_ca_sv_sph.html#Leg_orth_trig"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org06d3680">
+<div class="alteqlabels" id="org6c22d4f">
 
 </div>
 
@@ -1777,14 +1806,14 @@ relationship (the reason for the normalization on the right-hand side will becom
 <p>
 This same relation can be more simply written by using the variable \(x = \cos \theta\),
 </p>
-<div class="eqlabel" id="org9f4bb2e">
+<div class="eqlabel" id="org74bb3ba">
 <p>
 <a id="Leg_orth"></a><a href="./ems_ca_sv_sph.html#Leg_orth"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgd40cddf">
+<div class="alteqlabels" id="org263ba9a">
 
 </div>
 
@@ -1802,14 +1831,14 @@ To get started, we need to define the "seed" polynomial (carrying label \(l=0\))
 To make life easy, we set \(P_0 (x) = 1\). Higher polynomials are then sought in the
 form of power series in \(x\). This leads to the first few Legendre polynomials being:
 </p>
-<div class="eqlabel" id="orgcd000d3">
+<div class="eqlabel" id="orgbd5d2b0">
 <p>
 <a id="Leg_pols"></a><a href="./ems_ca_sv_sph.html#Leg_pols"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org891ea20">
+<div class="alteqlabels" id="org5185c40">
 
 </div>
 
@@ -1829,14 +1858,14 @@ P_5 (x) &amp;= \frac{1}{8} (63x^5 - 70x^3 + 15x).
 The prefactor (and thus the factor in the orthogonality relations <a href="./ems_ca_sv_sph.html#Leg_orth_trig">Leg_orth_trig</a> and the equivalent <a href="./ems_ca_sv_sph.html#Leg_orth">Leg_orth</a> is chosen for convenience such that each polynomial
 takes the value \(1\) when evaluated at argument \(x = 1\),
 </p>
-<div class="eqlabel" id="org3cdaa4f">
+<div class="eqlabel" id="orga96033c">
 <p>
 <a id="Pl_1_1"></a><a href="./ems_ca_sv_sph.html#Pl_1_1"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org5e065fa">
+<div class="alteqlabels" id="org80478b8">
 
 </div>
 
@@ -1852,14 +1881,14 @@ P_l(1) = 1
 <p>
 The Legendre polynomial \(P_l\) obeys the differential equation
 </p>
-<div class="eqlabel" id="org1d8f3f3">
+<div class="eqlabel" id="orge58f014">
 <p>
 <a id="Leg_de_trig"></a><a href="./ems_ca_sv_sph.html#Leg_de_trig"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgfeff4f4">
+<div class="alteqlabels" id="org835a560">
 
 </div>
 
@@ -1871,14 +1900,14 @@ The Legendre polynomial \(P_l\) obeys the differential equation
 \]
 or equivalently
 </p>
-<div class="eqlabel" id="orgdf7769c">
+<div class="eqlabel" id="org020b606">
 <p>
 <a id="Leg_de"></a><a href="./ems_ca_sv_sph.html#Leg_de"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgc0f92d3">
+<div class="alteqlabels" id="org7f1e5f5">
 
 </div>
 
@@ -1894,14 +1923,14 @@ or equivalently
 A particularly convenient formula for deriving \(P_l(x)\)
 is the <b>Rodrigues formula</b>:
 </p>
-<div class="eqlabel" id="org390eaf5">
+<div class="eqlabel" id="org39d08de">
 <p>
 <a id="Rodrigues"></a><a href="./ems_ca_sv_sph.html#Rodrigues"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org560f648">
+<div class="alteqlabels" id="org3466cfc">
 
 </div>
 
@@ -1917,14 +1946,14 @@ P_l(x) = \frac{1}{2^l l!} \left( \frac{d}{dx} \right)^l (x^2 - 1)^l
 <p>
 Actually, a more practical formula is <b>Bonnet's recursion relation</b>
 </p>
-<div class="eqlabel" id="orgf201529">
+<div class="eqlabel" id="org261eba1">
 <p>
 <a id="Bonnet"></a><a href="./ems_ca_sv_sph.html#Bonnet"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgbd41fc0">
+<div class="alteqlabels" id="org4935a21">
 
 </div>
 
@@ -1960,14 +1989,14 @@ We therefore come to the culmination of our efforts here, and write
 the general solution to <i>any</i> problem with azimuthal symmetry
 (for which the potential takes a finite value for \(\theta = 0, \pi\)) as
 </p>
-<div class="eqlabel" id="orgd6decd7">
+<div class="eqlabel" id="org5c0965a">
 <p>
 <a id="Lap_sph_az_sol"></a><a href="./ems_ca_sv_sph.html#Lap_sph_az_sol"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org308a2d8">
+<div class="alteqlabels" id="orgc4aa897">
 <ul class="org-ul">
 <li>Gr (3.65)</li>
 </ul>
@@ -1975,7 +2004,7 @@ the general solution to <i>any</i> problem with azimuthal symmetry
 </div>
 
 </div>
-<div class="main div" id="org763ee04">
+<div class="main div" id="org30c9d56">
 <p>
 \[
 \phi(r,\theta) = \sum_{l=0}^{\infty} \left( A_l r^l + \frac{B_l}{r^{l+1}} \right) P_l (\cos \theta)
@@ -1987,7 +2016,7 @@ the general solution to <i>any</i> problem with azimuthal symmetry
 
 
 
-<div class="example div" id="orgbcb0b5c">
+<div class="example div" id="org5c8ad48">
 <p>
 <b>Example: potential inside a hollow sphere</b>
 </p>
@@ -2070,7 +2099,7 @@ Thus, \(A_0 = k/2\), \(A_1 = -k/2\), and all others are zero, so
 </div>
 
 
-<div class="example div" id="org36b2422">
+<div class="example div" id="orgf771342">
 <p>
 <b>Example: surface charge density on sphere</b>
 </p>
@@ -2200,14 +2229,14 @@ A_1^i = \frac{k}{2\varepsilon_0} \int_0^\pi d\theta \sin \theta [P_l(\cos \theta
 <p>
 The potential inside/outside the sphere is then
 </p>
-<div class="eqlabel" id="org7ab7b21">
+<div class="eqlabel" id="orgad7e330">
 <p>
 <a id="p_uni_ch_sph"></a><a href="./ems_ca_sv_sph.html#p_uni_ch_sph"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org49fc534">
+<div class="alteqlabels" id="org4a3b506">
 
 </div>
 
@@ -2240,7 +2269,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es.html b/build/ems_es.html
index a96d2c8..4bd0b26 100644
--- a/build/ems_es.html
+++ b/build/ems_es.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1599,8 +1628,8 @@ Table of contents
 <li>PM 1</li>
 </ul>
 
-<details class="prereq" id="org9cb0427">
-<summary id="org08f11bd">
+<details class="prereq" id="org2e10cc5">
+<summary id="org1c94f80">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1608,8 +1637,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="orgb9f666d">
-<summary id="org10fe501">
+<details class="objectives" id="org75fc4d2">
+<summary id="org79d6ec7">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1651,7 +1680,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_c.html b/build/ems_es_c.html
index d2a6c76..8f84c40 100644
--- a/build/ems_es_c.html
+++ b/build/ems_es_c.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1624,7 +1653,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_c_cap.html b/build/ems_es_c_cap.html
index d77e0ae..5488f01 100644
--- a/build/ems_es_c_cap.html
+++ b/build/ems_es_c_cap.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1614,7 +1643,7 @@ C \equiv \frac{Q}{V}
 \]
 </p>
 
-<div class="example div" id="org6d8bfc7">
+<div class="example div" id="org1ac5c4e">
 <p>
 <b>Concentric shells</b>
 </p>
@@ -1644,7 +1673,6 @@ start from the differential work to add charge \(dq\) to the already-present cha
 <p>
 \[
 W = \frac{1}{2} C V^2
-\label{Gr(2.55)}
 \]
 </p>
 </div>
@@ -1666,7 +1694,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_c_ic.html b/build/ems_es_c_ic.html
index 5ea76b4..cf5baba 100644
--- a/build/ems_es_c_ic.html
+++ b/build/ems_es_c_ic.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1597,7 +1626,7 @@ Charge in hollow conductor.
 Induced surface charges on inside and outside surfaces.
 </p>
 
-<div class="example div" id="orgdb1aff9">
+<div class="example div" id="org70c599f">
 <p>
 <b>Field outside spherical conductor with irregular cavity</b>
 </p>
@@ -1648,7 +1677,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_c_p.html b/build/ems_es_c_p.html
index 13c884e..69dd884 100644
--- a/build/ems_es_c_p.html
+++ b/build/ems_es_c_p.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1592,7 +1621,7 @@ Table of contents
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 <div class="outline-text-5" id="text-ems_es_c_p">
-<div class="main div" id="org3d54e92">
+<div class="main div" id="org86f7d53">
 <p>
 <b>Basic Properties of a Conductor</b>
 </p>
@@ -1629,7 +1658,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_c_sc.html b/build/ems_es_c_sc.html
index 88f6075..2332d01 100644
--- a/build/ems_es_c_sc.html
+++ b/build/ems_es_c_sc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1597,14 +1626,14 @@ For a conductor, we can exploit the fact that electrical fields vanish on the in
 get a proper boundary condition for the potential.  Namely, here, boundary condition
 <a href="./ems_es_ep_bc.html#Edisc">Edisc</a> yields
 </p>
-<div class="eqlabel" id="org8c079d0">
+<div class="eqlabel" id="orgc9168dc">
 <p>
 <a id="E_sur_cond"></a><a href="./ems_es_c_sc.html#E_sur_cond"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org8c7091a">
+<div class="alteqlabels" id="org8c14b7b">
 <ul class="org-ul">
 <li>Gr (2.48)</li>
 </ul>
@@ -1622,14 +1651,14 @@ get a proper boundary condition for the potential.  Namely, here, boundary condi
 <p>
 which in terms of potential reads
 </p>
-<div class="eqlabel" id="org57563a9">
+<div class="eqlabel" id="org138ea77">
 <p>
 <a id="scd_cond"></a><a href="./ems_es_c_sc.html#scd_cond"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </p>
-<div class="alteqlabels" id="org804ae5b">
+<div class="alteqlabels" id="orgd64b434">
 <ul class="org-ul">
 <li>Gr (2.49)</li>
 </ul>
@@ -1691,7 +1720,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_e.html b/build/ems_es_e.html
index 3e7f0f3..a285f15 100644
--- a/build/ems_es_e.html
+++ b/build/ems_es_e.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1613,14 +1642,14 @@ W_u = -\int_{{\bf a}}^{{\bf b}} {\bf E} \cdot d{\bf l}
 For a point charge distribution, the total work required to assemble it
 can also be rewritten in terms of the potential by using <a href="./ems_es_ep_d.html#p">p</a>,
 </p>
-<div class="eqlabel" id="org0bcad4f">
+<div class="eqlabel" id="orga8c3fb1">
 <p>
 <a id="W_pcd"></a><a href="./ems_es_e.html#W_pcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orgac0662e">
+<div class="alteqlabels" id="org6cd4a7c">
 <ul class="org-ul">
 <li>Gr (2.42)</li>
 </ul>
@@ -1639,14 +1668,14 @@ W = \frac{1}{2} \sum_{i=1}^m q_i \phi({\bf r}_i)
 For a volume charge distribution, this becomes
 </p>
 
-<div class="eqlabel" id="org7be181a">
+<div class="eqlabel" id="orga026d83">
 <p>
 <a id="W_vcd"></a><a href="./ems_es_e.html#W_vcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org7f055b7">
+<div class="alteqlabels" id="org2882957">
 <ul class="org-ul">
 <li>Gr (2.43)</li>
 </ul>
@@ -1688,14 +1717,14 @@ W = \frac{\varepsilon_0}{2} \left( \int_{\cal V} E^2 d\tau + \oint_{\cal S} \phi
 Integrating over all space (and thus dropping the surface integrale whose integrand is assumed
 to vanish at infinity), we get
 </p>
-<div class="eqlabel" id="org868c881">
+<div class="eqlabel" id="org51cbfe8">
 <p>
 <a id="W_intEsq"></a><a href="./ems_es_e.html#W_intEsq"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orge7a7155">
+<div class="alteqlabels" id="org1e2d0a5">
 <ul class="org-ul">
 <li>Gr (2.45)</li>
 </ul>
@@ -1703,7 +1732,7 @@ to vanish at infinity), we get
 </div>
 
 </div>
-<div class="core div" id="org66cbb4c">
+<div class="core div" id="orgd2c3141">
 <p>
 
 </p>
@@ -1717,7 +1746,7 @@ W = \frac{\varepsilon_0}{2} \int E^2 d\tau
 
 </div>
 
-<div class="example div" id="org807d556">
+<div class="example div" id="org5762a33">
 <p>
 <b>Energy of spherical shell</b>
 </p>
@@ -1790,7 +1819,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ec.html b/build/ems_es_ec.html
index c2ac72e..28481f4 100644
--- a/build/ems_es_ec.html
+++ b/build/ems_es_ec.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
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+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
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+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
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+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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 </li>
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ec_b.html b/build/ems_es_ec_b.html
index 5c71aee..1a5d26e 100644
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+<!-- 2022-02-21 Mon 20:41 -->
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 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
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 </summary>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
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+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
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 </li>
 
@@ -1615,7 +1644,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ec_c.html b/build/ems_es_ec_c.html
index 29487e6..b7627fc 100644
--- a/build/ems_es_ec_c.html
+++ b/build/ems_es_ec_c.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</ul>
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+</li>
+<li>
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+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
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+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1615,7 +1644,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ec_q.html b/build/ems_es_ec_q.html
index 19fc995..1d9f834 100644
--- a/build/ems_es_ec_q.html
+++ b/build/ems_es_ec_q.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
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+</li>
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+</ul>
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+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1615,7 +1644,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ec_s.html b/build/ems_es_ec_s.html
index 4a7b76e..fc594da 100644
--- a/build/ems_es_ec_s.html
+++ b/build/ems_es_ec_s.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1614,7 +1643,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ef.html b/build/ems_es_ef.html
index 2e8ad46..68348e3 100644
--- a/build/ems_es_ef.html
+++ b/build/ems_es_ef.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1624,7 +1653,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ef_Gl.html b/build/ems_es_ef_Gl.html
index b42830a..2dd109c 100644
--- a/build/ems_es_ef_Gl.html
+++ b/build/ems_es_ef_Gl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1637,14 +1666,14 @@ sphere of radius \(r\) around the charge,
 <p>
 so by superposition, we obtain
 </p>
-<div class="eqlabel" id="orgc841a96">
+<div class="eqlabel" id="orgdc06223">
 <p>
 <a id="Gl_i"></a><a href="./ems_es_ef_Gl.html#Gl_i"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orgca2a767">
+<div class="alteqlabels" id="org3680a2c">
 <ul class="org-ul">
 <li>Gr (2.13)</li>
 </ul>
@@ -1652,7 +1681,7 @@ so by superposition, we obtain
 </div>
 
 </div>
-<div class="core div" id="org479eebf">
+<div class="core div" id="orgbf00c7d">
 <p>
 <b>Gauss' law (in integral form)</b>
 </p>
@@ -1684,14 +1713,14 @@ By applying the divergence theorem,
 and using \(Q_{\mbox{enc}} = \int_{\cal V} \rho d\tau\),  and using the fact the the choice of volume
 is arbitrary, we get
 </p>
-<div class="eqlabel" id="orga0658c7">
+<div class="eqlabel" id="org608b374">
 <p>
 <a id="Gl_d"></a><a href="./ems_es_ef_Gl.html#Gl_d"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgf538ceb">
+<div class="alteqlabels" id="org30ba12c">
 <ul class="org-ul">
 <li>Gr (2.14)</li>
 </ul>
@@ -1699,7 +1728,7 @@ is arbitrary, we get
 </div>
 
 </div>
-<div class="core div" id="org82e4552">
+<div class="core div" id="org34f23b5">
 <p>
 <b>Gauss' law in differential form</b>
 </p>
@@ -1758,8 +1787,12 @@ cylindrical or plane symmetry.
 Gaussian surfaces:  respectively, concentric sphere, coaxial cylinder, pillbox.
 </p>
 
-<div class="example div" id="org8f38038">
+<div class="example div" id="org1dbe84a">
 <p>
+<a id="E_uni_sph"></a><a href="./ems_es_ef_Gl.html#E_uni_sph"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
 <b>Example 2.2</b>:  Field outside a uniformly charged sphere of radius \(R\) and total charge \(q\).
 </p>
 
@@ -1789,7 +1822,7 @@ Same as point charge at origin!
 
 </div>
 
-<div class="example div" id="orgd106ac8">
+<div class="example div" id="orga169fd6">
 <p>
 <b>Example 2.3</b>:  infinitely long cylinder carrying charge density \(\rho = k s\) for some constant \(k\). Find \({\bf E}\) within the cylinder.
 </p>
@@ -1828,7 +1861,7 @@ Therefore,
 </div>
 
 
-<div class="example div" id="org3361637">
+<div class="example div" id="org837f2be">
 <p>
 <b>Example 2.4</b>:  infinite plane (defined by \(z = 0\)) with uniform surface charge density \(\sigma\).  Find \({\bf E}\).
 </p>
@@ -1854,7 +1887,7 @@ where \(\hat{\bf n}\) is a unit vector extending away from the plane.  Independe
 
 </div>
 
-<div class="example div" id="orgf505f9f">
+<div class="example div" id="orgc2fa1fa">
 <p>
 <b>Example 2.5</b>: two infinite planes (put them vertical) carrying equal but opposite uniform surface charge densities \(\pm \sigma\).
 </p>
@@ -1884,7 +1917,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ef_cE.html b/build/ems_es_ef_cE.html
index 5817123..03a393e 100644
--- a/build/ems_es_ef_cE.html
+++ b/build/ems_es_ef_cE.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1596,14 +1625,14 @@ Table of contents
 Since the work done when moving on a closed path vanishes, we have
 </p>
 
-<div class="eqlabel" id="org4effa16">
+<div class="eqlabel" id="orgf0ee7c5">
 <p>
 <a id="ointE0"></a><a href="./ems_es_ef_cE.html#ointE0"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org43b21c2">
+<div class="alteqlabels" id="org0d8a339">
 <ul class="org-ul">
 <li>Gr (2.19)</li>
 </ul>
@@ -1611,7 +1640,7 @@ Since the work done when moving on a closed path vanishes, we have
 </div>
 
 </div>
-<div class="core div" id="orga736855">
+<div class="core div" id="orgef050bf">
 <p>
 
 </p>
@@ -1629,14 +1658,14 @@ Since the work done when moving on a closed path vanishes, we have
 which by <a href="./c_m_ic_stokes.html#Stokes">Stokes' theorem</a> implies that the electrostatic field is curlless,
 </p>
 
-<div class="eqlabel" id="org55706d2">
+<div class="eqlabel" id="orgff4a295">
 <p>
 <a id="curlE0"></a><a href="./ems_es_ef_cE.html#curlE0"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orge5860f1">
+<div class="alteqlabels" id="org3a23c51">
 <ul class="org-ul">
 <li>Gr (2.20)</li>
 </ul>
@@ -1644,7 +1673,7 @@ which by <a href="./c_m_ic_stokes.html#Stokes">Stokes' theorem</a> implies that
 </div>
 
 </div>
-<div class="core div" id="orge03f9cd">
+<div class="core div" id="orgc0fe8d7">
 <p>
 
 </p>
@@ -1690,7 +1719,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ef_ccd.html b/build/ems_es_ef_ccd.html
index 8f83010..1834502 100644
--- a/build/ems_es_ef_ccd.html
+++ b/build/ems_es_ef_ccd.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1598,14 +1627,14 @@ calculated from Coulomb's law using the superposition principle.  Since each inf
 volume element \(d\tau' = dx' dy' dz'\) contains a charge \(dq' = \rho({\bf r}') d\tau'\), we have
 </p>
 
-<div class="eqlabel" id="org5dd289a">
+<div class="eqlabel" id="orgf8f5b46">
 <p>
 <a id="E_vcd"></a><a href="./ems_es_ef_ccd.html#E_vcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org95f40c5">
+<div class="alteqlabels" id="org9e69130">
 <ul class="org-ul">
 <li>Gr4 (2.8)</li>
 </ul>
@@ -1613,7 +1642,7 @@ volume element \(d\tau' = dx' dy' dz'\) contains a charge \(dq' = \rho({\bf r}')
 </div>
 
 </div>
-<div class="main div" id="org9e06dd7">
+<div class="main div" id="org339b083">
 <p>
 
 </p>
@@ -1633,14 +1662,14 @@ Similarly, if the charge is spread out over a two-dimensional surface \({\cal S}
 \(\sigma({\bf r})\), we have over an infinitesimal area \(da'\) a charge \(dq' = \sigma({\bf r}') da'\), so
 </p>
 
-<div class="eqlabel" id="orge696187">
+<div class="eqlabel" id="orgafdc565">
 <p>
 <a id="E_scd"></a><a href="./ems_es_ef_ccd.html#E_scd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org1eaf297">
+<div class="alteqlabels" id="org93c3527">
 <ul class="org-ul">
 <li>Gr4(2.7)</li>
 </ul>
@@ -1648,7 +1677,7 @@ Similarly, if the charge is spread out over a two-dimensional surface \({\cal S}
 </div>
 
 </div>
-<div class="main div" id="org10d1c89">
+<div class="main div" id="org3a4c97a">
 <p>
 
 </p>
@@ -1665,14 +1694,14 @@ Similarly, if the charge is spread out over a two-dimensional surface \({\cal S}
 Finally, for a line path \({\cal P}\) with linear charge density \(\lambda({\bf r}')\),
 </p>
 
-<div class="eqlabel" id="org62aff9d">
+<div class="eqlabel" id="orgaa31dee">
 <p>
 <a id="E_lcd"></a><a href="./ems_es_ef_ccd.html#E_lcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org472d25c">
+<div class="alteqlabels" id="org0653e7e">
 <ul class="org-ul">
 <li>Gr (2.6)</li>
 </ul>
@@ -1680,7 +1709,7 @@ Finally, for a line path \({\cal P}\) with linear charge density \(\lambda({\bf
 </div>
 
 </div>
-<div class="main div" id="orgbef4f59">
+<div class="main div" id="org77d757c">
 <p>
 
 </p>
@@ -1694,7 +1723,7 @@ Finally, for a line path \({\cal P}\) with linear charge density \(\lambda({\bf
 
 </div>
 
-<div class="example div" id="orgdccabd6">
+<div class="example div" id="org8d8dd55">
 <p>
 <b>Example</b>
 </p>
@@ -1728,7 +1757,7 @@ most easily by observing that \(\frac{d}{dx} \left( \frac{x}{\sqrt{z^2 + x^2}} \
   = \frac{1}{\sqrt{z^2 + x^2}} - \frac{x^2}{(z^2 + x^2)^{3/2}} = \frac{z^2}{(z^2 + x^2)^{3/2}}\),
 leading to
 </p>
-<aside id="org1062a5f">
+<aside id="org8c89679">
 <p>
 You could alternately proceed by using changes of variables \(y = zx\) followed by \(y = \tanh \alpha\):
     \(\int_{-L}^L \frac{dx}{(z^2 + x^2)^{3/2}} = \frac{1}{z^2}
@@ -1785,7 +1814,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ef_pc.html b/build/ems_es_ef_pc.html
index 8fe900b..c1a3e86 100644
--- a/build/ems_es_ef_pc.html
+++ b/build/ems_es_ef_pc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1606,14 +1635,14 @@ an electric field originating from the source charge.
 Invoking the superposition principle, we can thus write
 </p>
 
-<div class="eqlabel" id="org395ac96">
+<div class="eqlabel" id="orgf81a974">
 <p>
 <a id="FqE"></a><a href="./ems_es_ef_pc.html#FqE"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org13a8863">
+<div class="alteqlabels" id="orgfcf07cf">
 <ul class="org-ul">
 <li>Gr (2.3)</li>
 </ul>
@@ -1621,7 +1650,7 @@ Invoking the superposition principle, we can thus write
 </div>
 
 </div>
-<div class="core div" id="org8792117">
+<div class="core div" id="org3e5d436">
 <p>
 
 </p>
@@ -1637,14 +1666,14 @@ Invoking the superposition principle, we can thus write
 <p>
 with the electric field of a point charge distribution being
 </p>
-<div class="eqlabel" id="orgece8efe">
+<div class="eqlabel" id="org5508b9f">
 <p>
 <a id="E_pcd"></a><a href="./ems_es_ef_pc.html#E_pcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgd36eed2">
+<div class="alteqlabels" id="org2183826">
 <ul class="org-ul">
 <li>Gr (2.4)</li>
 </ul>
@@ -1652,7 +1681,7 @@ with the electric field of a point charge distribution being
 </div>
 
 </div>
-<div class="core div" id="org7235927">
+<div class="core div" id="org682f200">
 <p>
 
 </p>
@@ -1670,7 +1699,7 @@ The electric field \({\bf E} ({\bf r})\) is thus the force per unit charge that
 be exerted if you put a test charge at position \({\bf r}\).
 </p>
 
-<div class="example div" id="orgbce2cd4">
+<div class="example div" id="org4f3185f">
 <p>
 <b>Example</b>
 </p>
@@ -1714,7 +1743,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_efo.html b/build/ems_es_efo.html
index 49c9aba..451cceb 100644
--- a/build/ems_es_efo.html
+++ b/build/ems_es_efo.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1625,7 +1654,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_efo_cl.html b/build/ems_es_efo_cl.html
index 5f5ff1c..21897f9 100644
--- a/build/ems_es_efo_cl.html
+++ b/build/ems_es_efo_cl.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1598,14 +1627,14 @@ Table of contents
 <li>PM 1.4</li>
 </ul>
 
-<div class="eqlabel" id="org8f9c862">
+<div class="eqlabel" id="org6e98d78">
 <p>
 <a id="Cl"></a><a href="./ems_es_efo_cl.html#Cl"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orgee5ce57">
+<div class="alteqlabels" id="orga0d6c3a">
 <ul class="org-ul">
 <li>FLS II (4.9)</li>
 <li>Gr (2.1)</li>
@@ -1617,7 +1646,7 @@ Table of contents
 </div>
 
 </div>
-<div class="core div" id="org777c4a3">
+<div class="core div" id="org49d7c1d">
 <p>
 The force \(F_{t\leftarrow s}\) exerted by a point source charge \(q_s\) sitting at \({\bf r}_s\)
 on a point test charge \(q_t\) sitting at \({\bf r}_t\) is given by Coulomb's law,
@@ -1634,7 +1663,7 @@ on a point test charge \(q_t\) sitting at \({\bf r}_t\) is given by Coulomb's la
 
 </div>
 
-<aside id="orgbff0e8a">
+<aside id="org2ac247b">
 <p>
 In case you're wondering: the exact number in the denominator
 of the first equality is just \(4 \pi c^2\), so this equation really
@@ -1675,7 +1704,7 @@ in which \(\mu_0\) is the <b>vacuum permeability</b> (or alternately <i>permeabi
 with the <i>henry</i> \(H = kg~m^2 / s^2 A^2\) being the unit for inductance.
 </p>
 
-<div class="info div" id="org0d9cb2e">
+<div class="info div" id="orgb1cb957">
 <p>
 <b>Info: the International System of Units</b>
 </p>
@@ -1732,7 +1761,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_efo_e.html b/build/ems_es_efo_e.html
index c4a0bfe..88c6ce3 100644
--- a/build/ems_es_efo_e.html
+++ b/build/ems_es_efo_e.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1635,14 +1664,14 @@ For the path, the 'angular' part is not contributing (see drawings in
 FLS II 4-3). The integral is thus purely radial,
 </p>
 
-<div class="eqlabel" id="orga29f8cb">
+<div class="eqlabel" id="org70d3596">
 <p>
 <a id="Wab"></a><a href="./ems_es_efo_e.html#Wab"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orge2792f3">
+<div class="alteqlabels" id="orgea0c4bd">
 <ul class="org-ul">
 <li>Gr (2.18)</li>
 </ul>
@@ -1729,7 +1758,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_efo_exp.html b/build/ems_es_efo_exp.html
index e530e45..6f47af5 100644
--- a/build/ems_es_efo_exp.html
+++ b/build/ems_es_efo_exp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1594,17 +1623,17 @@ Table of contents
 <div class="outline-text-5" id="text-ems_es_efo_exp">
 </div>
 
-<div id="outline-container-org617f571" class="outline-6">
-<h6 id="org617f571"><a href="#org617f571">Before Coulomb</a></h6>
+<div id="outline-container-org1be7611" class="outline-6">
+<h6 id="org1be7611"><a href="#org1be7611">Before Coulomb</a></h6>
 </div>
-<div id="outline-container-org0bcf038" class="outline-6">
-<h6 id="org0bcf038"><a href="#org0bcf038">Cavendish's experiment</a></h6>
+<div id="outline-container-orgf9444f9" class="outline-6">
+<h6 id="orgf9444f9"><a href="#orgf9444f9">Cavendish's experiment</a></h6>
 </div>
-<div id="outline-container-org9661eab" class="outline-6">
-<h6 id="org9661eab"><a href="#org9661eab">Coulomb</a></h6>
+<div id="outline-container-org419554f" class="outline-6">
+<h6 id="org419554f"><a href="#org419554f">Coulomb</a></h6>
 </div>
-<div id="outline-container-org951b340" class="outline-6">
-<h6 id="org951b340"><a href="#org951b340">Current status</a></h6>
+<div id="outline-container-orgdd1da72" class="outline-6">
+<h6 id="orgdd1da72"><a href="#orgdd1da72">Current status</a></h6>
 </div>
 </div>
 
@@ -1626,7 +1655,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_efo_ps.html b/build/ems_es_efo_ps.html
index 1c05ff0..e45c3e4 100644
--- a/build/ems_es_efo_ps.html
+++ b/build/ems_es_efo_ps.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1598,7 +1627,7 @@ Table of contents
 <li>PM 1.4</li>
 </ul>
 
-<div class="core div" id="orgfb4cebe">
+<div class="core div" id="org501e435">
 <p>
 Electrical forces obey the <b>principle of superposition</b>:
 the electrostatic interaction between two charged particles is left entirely
@@ -1634,7 +1663,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ep.html b/build/ems_es_ep.html
index 3e1d7db..2a0c06f 100644
--- a/build/ems_es_ep.html
+++ b/build/ems_es_ep.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1625,7 +1654,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ep_PL.html b/build/ems_es_ep_PL.html
index 9a3fbbe..7486037 100644
--- a/build/ems_es_ep_PL.html
+++ b/build/ems_es_ep_PL.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1601,14 +1630,14 @@ Our two fundamental equations for the electrostatic field are
 \]
 For the electrostatic potential, by <a href="./ems_es_ep_fp.html#Emgp">Emgp</a>, Gauss's law becomes
 </p>
-<div class="eqlabel" id="org7618df8">
+<div class="eqlabel" id="org1eb06bb">
 <p>
 <a id="Poi"></a><a href="./ems_es_ep_PL.html#Poi"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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-<div class="alteqlabels" id="org25b4a09">
+<div class="alteqlabels" id="org1c71ac6">
 <ul class="org-ul">
 <li>Gr (2.24)</li>
 <li>PM (2.72)</li>
@@ -1617,7 +1646,7 @@ For the electrostatic potential, by <a href="./ems_es_ep_fp.html#Emgp">Emgp</a>,
 </div>
 
 </div>
-<div class="core div" id="orga26d0c6">
+<div class="core div" id="orgba39819">
 <p>
 <b>Poisson's equation</b>
 \[
@@ -1630,14 +1659,14 @@ For the electrostatic potential, by <a href="./ems_es_ep_fp.html#Emgp">Emgp</a>,
 <p>
 When the charge density vanishes, it becomes more simply
 </p>
-<div class="eqlabel" id="org7b3bcf4">
+<div class="eqlabel" id="org59d86ed">
 <p>
 <a id="Lap"></a><a href="./ems_es_ep_PL.html#Lap"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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-<div class="alteqlabels" id="org22efc2b">
+<div class="alteqlabels" id="org6f7a43c">
 <ul class="org-ul">
 <li>Gr (2.25)</li>
 <li>PM (2.75)</li>
@@ -1646,7 +1675,7 @@ When the charge density vanishes, it becomes more simply
 </div>
 
 </div>
-<div class="core div" id="orgaa8e736">
+<div class="core div" id="org804ac3d">
 <p>
 <b>Laplace's Equation</b>
 \[
@@ -1682,7 +1711,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ep_bc.html b/build/ems_es_ep_bc.html
index a555e60..ab19cc0 100644
--- a/build/ems_es_ep_bc.html
+++ b/build/ems_es_ep_bc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1629,14 +1658,14 @@ applied to a small loop straddling the surface:
 <p>
 We can unify both boundary conditions into a  single equation:
 </p>
-<div class="eqlabel" id="org912023c">
+<div class="eqlabel" id="org2d6a4d6">
 <p>
 <a id="Edisc"></a><a href="./ems_es_ep_bc.html#Edisc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </p>
-<div class="alteqlabels" id="orgd8ca126">
+<div class="alteqlabels" id="org1128348">
 <ul class="org-ul">
 <li>Gr (2.33)</li>
 </ul>
@@ -1671,14 +1700,14 @@ The gradient however inherits the discontinuity of the electrostatic field, sinc
 \]
 or
 </p>
-<div class="eqlabel" id="orgbfe9e19">
+<div class="eqlabel" id="org29f6f57">
 <p>
 <a id="dpdisc"></a><a href="./ems_es_ep_bc.html#dpdisc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org07e39e5">
+<div class="alteqlabels" id="org4a75f05">
 <ul class="org-ul">
 <li>Gr (2.36)</li>
 </ul>
@@ -1726,7 +1755,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ep_d.html b/build/ems_es_ep_d.html
index 6bc5122..0acf871 100644
--- a/build/ems_es_ep_d.html
+++ b/build/ems_es_ep_d.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1599,14 +1628,14 @@ field is independent of the path, and that it is proportional to the test charge
 We can thus define a function representing the work per unit charge and
 called the  <b>electrostatic potential</b>
 </p>
-<div class="eqlabel" id="org18ed00d">
+<div class="eqlabel" id="org5b5f651">
 <p>
 <a id="p"></a><a href="./ems_es_ep_d.html#p"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgc42d135">
+<div class="alteqlabels" id="org4ef283a">
 <ul class="org-ul">
 <li>Gr (2.21)</li>
 </ul>
@@ -1622,7 +1651,7 @@ called the  <b>electrostatic potential</b>
 \]
 </p>
 
-<aside id="orgac048a8">
+<aside id="orgd60b713">
 <p>
 \(\phi\) carries as unit: Newton-meters per coulomb or joules per coulomb, which is called a <b>volt</b>.
 In the SI system where the ampere is a base unit, a volt is a \(kg m^2/s^3 A\).
@@ -1639,14 +1668,14 @@ want; it's energy <i>differences</i> which matter).
 The potential difference between two arbitrary points \({\bf a}\) and \({\bf b}\) is
 well-defined without the need to specify the reference point,
 </p>
-<div class="eqlabel" id="orgbfef7ae">
+<div class="eqlabel" id="orgaf599a2">
 <p>
 <a id="p_diff"></a><a href="./ems_es_ep_d.html#p_diff"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orgaf22da0">
+<div class="alteqlabels" id="orgdf03085">
 <ul class="org-ul">
 <li>Gr (2.21)</li>
 </ul>
@@ -1654,7 +1683,7 @@ well-defined without the need to specify the reference point,
 </div>
 
 </div>
-<div class="main div" id="org07eedf5">
+<div class="main div" id="orgd3d3b4f">
 <p>
 \[
   \phi({\bf b}) - \phi({\bf a}) = - \int_{\bf a}^{\bf b} {\bf E} \cdot d{\bf l}
@@ -1671,14 +1700,14 @@ The reference point is typically put at infinity.  The electrostatic potential c
 point charge \(q\) at the origin can then be calculated (taking for convenience \(d{\bf l} = \hat{\bf r} dr\),
 <i>i.e.</i> moving in purely radially) as
 </p>
-<div class="eqlabel" id="org35b60c7">
+<div class="eqlabel" id="org058f8de">
 <p>
 <a id="p_pc"></a><a href="./ems_es_ep_d.html#p_pc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgcdb33b6">
+<div class="alteqlabels" id="org5b551aa">
 <ul class="org-ul">
 <li>FLS II (4.20,4.23)</li>
 <li>Gr (2.26)</li>
@@ -1701,14 +1730,14 @@ point charge \(q\) at the origin can then be calculated (taking for convenience
 The electrostatic potential moreover inherits the superposition principle from the electric field,
 so for a distribution of point charges \(q_i\) at positions \({\bf r}_i\), we have
 </p>
-<div class="eqlabel" id="org6f1b97d">
+<div class="eqlabel" id="org29052c6">
 <p>
 <a id="p_pcd"></a><a href="./ems_es_ep_d.html#p_pcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgde5550c">
+<div class="alteqlabels" id="orgec1d1dd">
 <ul class="org-ul">
 <li>FLS II (4.24)</li>
 <li>Gr (2.27)</li>
@@ -1718,7 +1747,7 @@ so for a distribution of point charges \(q_i\) at positions \({\bf r}_i\), we ha
 </div>
 
 </div>
-<div class="core div" id="orgc76aaae">
+<div class="core div" id="orgae68c3f">
 <p>
 
 </p>
@@ -1734,14 +1763,14 @@ so for a distribution of point charges \(q_i\) at positions \({\bf r}_i\), we ha
 <p>
 For a continuous charge density in a volume \({\cal V}\), we have
 </p>
-<div class="eqlabel" id="orgd7f3921">
+<div class="eqlabel" id="orge090fa0">
 <p>
 <a id="p_vcd"></a><a href="./ems_es_ep_d.html#p_vcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgbb8f01c">
+<div class="alteqlabels" id="org7d3ae3d">
 <ul class="org-ul">
 <li>Gr (2.29)</li>
 <li>PM (2.18)</li>
@@ -1750,7 +1779,7 @@ For a continuous charge density in a volume \({\cal V}\), we have
 </div>
 
 </div>
-<div class="main div" id="orga9781a0">
+<div class="main div" id="orgd67d622">
 <p>
 
 </p>
@@ -1767,14 +1796,14 @@ For a continuous charge density in a volume \({\cal V}\), we have
 <p>
 whereas for a surface or line charge distribution, respectively,
 </p>
-<div class="eqlabel" id="orgf360d4a">
+<div class="eqlabel" id="org75e85cc">
 <p>
 <a id="p_scd"></a><a href="./ems_es_ep_d.html#p_scd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org79c6e16">
+<div class="alteqlabels" id="org1302ba5">
 <ul class="org-ul">
 <li>Gr (2.30)b</li>
 </ul>
@@ -1782,7 +1811,7 @@ whereas for a surface or line charge distribution, respectively,
 </div>
 
 </div>
-<div class="main div" id="org0cb4e89">
+<div class="main div" id="org061ad18">
 <p>
 \[
 \phi({\bf r}) = \frac{1}{4\pi \varepsilon_0} \int_{\cal S} da' \frac{\sigma({\bf r}')}{|{\bf r} - {\bf r}'|}
@@ -1792,14 +1821,14 @@ whereas for a surface or line charge distribution, respectively,
 
 </div>
 
-<div class="eqlabel" id="orgc2dc6dc">
+<div class="eqlabel" id="orgfae56fe">
 <p>
 <a id="p_lcd"></a><a href="./ems_es_ep_d.html#p_lcd"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org560a824">
+<div class="alteqlabels" id="orgc9e28fa">
 <ul class="org-ul">
 <li>Gr (2.30)a</li>
 </ul>
@@ -1807,7 +1836,7 @@ whereas for a surface or line charge distribution, respectively,
 </div>
 
 </div>
-<div class="main div" id="org01cfcbf">
+<div class="main div" id="org0bf71ae">
 <p>
 
 </p>
@@ -1840,7 +1869,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ep_ex.html b/build/ems_es_ep_ex.html
index 73117cf..e1861c7 100644
--- a/build/ems_es_ep_ex.html
+++ b/build/ems_es_ep_ex.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1592,7 +1621,7 @@ Table of contents
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a><span class="headline-id">ems.es.ep.ex</span></h5>
 <div class="outline-text-5" id="text-ems_es_ep_ex">
-<div class="example div" id="orge3cae52">
+<div class="example div" id="org296c8fb">
 <p>
 <b>Spherical shell: via \({\bf E}\)</b>
 </p>
@@ -1640,7 +1669,7 @@ and using spherical symmetry, we get:
 
 </div>
 
-<div class="example div" id="org8d205bb">
+<div class="example div" id="orgbe1c82a">
 <p>
 <b>Spherical shell: direct calculation</b>
 </p>
@@ -1717,7 +1746,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_es_ep_fp.html b/build/ems_es_ep_fp.html
index b6b82a0..f7e8631 100644
--- a/build/ems_es_ep_fp.html
+++ b/build/ems_es_ep_fp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,14 +1647,14 @@ so
 <p>
 Since this is true for any choice of \({\bf a}\) and \({\bf b}\), we have
 </p>
-<div class="eqlabel" id="orgcd2df54">
+<div class="eqlabel" id="org9cbef9a">
 <p>
 <a id="Emgp"></a><a href="./ems_es_ep_fp.html#Emgp"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org5863770">
+<div class="alteqlabels" id="orgaec6781">
 <ul class="org-ul">
 <li>Gr (2.23)</li>
 </ul>
@@ -1633,7 +1662,7 @@ Since this is true for any choice of \({\bf a}\) and \({\bf b}\), we have
 </div>
 
 </div>
-<div class="core div" id="orgf053dc5">
+<div class="core div" id="org04fa31c">
 <p>
 \[
 {\bf E} = -{\boldsymbol \nabla} \phi
@@ -1704,7 +1733,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms.html b/build/ems_ms.html
index c4b0b30..0c73d1a 100644
--- a/build/ems_ms.html
+++ b/build/ems_ms.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1599,8 +1628,8 @@ Table of contents
 <li>PM 6</li>
 </ul>
 
-<details class="prereq" id="org9615c3c">
-<summary id="orgbf17e6b">
+<details class="prereq" id="orgc12053e">
+<summary id="orgd5d802c">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1608,8 +1637,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="org98c1422">
-<summary id="org07e1f0d">
+<details class="objectives" id="orgaa8a313">
+<summary id="org6e36b37">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1653,7 +1682,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_BS.html b/build/ems_ms_BS.html
index a4db602..e316919 100644
--- a/build/ems_ms_BS.html
+++ b/build/ems_ms_BS.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1596,18 +1625,18 @@ Table of contents
 The magnetic field issuing from a steady surrent
 is given experimentally (around 1820) by the
 </p>
-<div class="core div" id="orgc94cef6">
+<div class="core div" id="orgf84cc6f">
 <p>
 <b>Biot-Savart law</b>
 </p>
-<div class="eqlabel" id="org8869dd0">
+<div class="eqlabel" id="org3281466">
 <p>
 <a id="BiotSavart"></a><a href="./ems_ms_BS.html#BiotSavart"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orge6449ea">
+<div class="alteqlabels" id="org7bf94e5">
 <ul class="org-ul">
 <li>FLS II (14.43)</li>
 <li>Gr (5.34)</li>
@@ -1637,15 +1666,15 @@ with the <i>henry</i> \(H = kg ~m^2 / s^2 A^2\) being the unit for inductance.
 <p>
 For surface and volume density currents:
 </p>
-<div class="main div" id="org97608f1">
-<div class="eqlabel" id="org32040cc">
+<div class="main div" id="org0fc8a2d">
+<div class="eqlabel" id="org6473469">
 <p>
 <a id="BiotSavart_s"></a><a href="./ems_ms_BS.html#BiotSavart_s"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org2c84d27">
+<div class="alteqlabels" id="org84dd95e">
 
 </div>
 
@@ -1656,14 +1685,14 @@ For surface and volume density currents:
 \tag{BiotSavart_s}\label{BiotSavart_s}
 \]
 </p>
-<div class="eqlabel" id="org56b5fb8">
+<div class="eqlabel" id="org8947c4c">
 <p>
 <a id="BiotSavart_v"></a><a href="./ems_ms_BS.html#BiotSavart_v"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgc00a3a8">
+<div class="alteqlabels" id="org75ae01b">
 
 </div>
 
@@ -1688,37 +1717,37 @@ The <b>superposition principle</b> applies here as well:  a collection of curren
 the vector sum of the fields generated by the individual currents.
 </p>
 
-<div class="example div" id="orgb52405d">
+<div class="example div" id="orgac81691">
 <p>
 <b>Example: \({\bf B}\) from long straight wire</b>
 </p>
 
 <p>
-<b>Task</b>: find \({\bf B}\) a distance \(s\) from a long straight wire carrying steady current \(I\).
+<b>Task</b>: find \({\bf B}\) a distance \(r\) from a long straight wire carrying steady current \(I\).
 </p>
 
 <p>
 <b>Solution</b>:
 \(dl {\bf I} \times ({\bf r} - {\bf r}')\) points out of the page, and has
-magnitude \(dl' \sin \alpha = dl' \cos \theta\).  But \(l' = s \tan \theta\) so \(dl' = \frac{s}{\cos^2 \theta} d\theta\),
-and \(s = |{\bf r} - {\bf r}'| \cos \theta\).  Then,
+magnitude \(dl' \sin \alpha = dl' \cos \theta\).  But \(l' = r \tan \theta\) so \(dl' = \frac{r}{\cos^2 \theta} d\theta\),
+and \(r = |{\bf r} - {\bf r}'| \cos \theta\).  Then,
 </p>
 
 <p>
 \[
-B = \frac{\mu_0}{4\pi} I \int_{\theta_1}^{\theta_2} d\theta \cos \theta \frac{\cos^2 \theta}{s^2} \frac{s}{\cos^2 \theta}
-= \frac{\mu_0 I}{4\pi s} (\sin \theta_2 - \sin \theta_1)
+B = \frac{\mu_0}{4\pi} I \int_{\theta_1}^{\theta_2} d\theta \cos \theta \frac{\cos^2 \theta}{r^2} \frac{r}{\cos^2 \theta}
+= \frac{\mu_0 I}{4\pi r} (\sin \theta_2 - \sin \theta_1)
 \]
 For infinite wire:  \(\theta_1 = -\pi/2\), \(\theta_2 = \pi/2\), so
 </p>
-<div class="eqlabel" id="orga23cca2">
+<div class="eqlabel" id="org72687b1">
 <p>
 <a id="Bwire1"></a><a href="./ems_ms_BS.html#Bwire1"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org5708c99">
+<div class="alteqlabels" id="org772ccc6">
 <ul class="org-ul">
 <li>Gr (5.38)</li>
 </ul>
@@ -1728,7 +1757,7 @@ For infinite wire:  \(\theta_1 = -\pi/2\), \(\theta_2 = \pi/2\), so
 </div>
 <p>
 \[
-B = \frac{\mu_0 I}{2\pi s}
+B = \frac{\mu_0 I}{2\pi r}
 \tag{Bwire1}\label{Bwire1}
 \]
 </p>
@@ -1747,13 +1776,13 @@ f = \frac{\mu_0}{2\pi} \frac{I_1 I_2}{d}
 (like currents attract).
 </p>
 
-<div class="example div" id="org585c93b">
+<div class="example div" id="org433e75f">
 <p>
 <b>Example: \({\bf B}\) above a circular loop</b>
 </p>
 
 <p>
-<b>Task</b>: find {\bf B} a distance \(z\) above the center of a circular loop of radius \(R\),
+<b>Task</b>: find \({\bf B}\) a distance \(z\) above the center of a circular loop of radius \(R\),
 carrying a steady counterclockwise current \(I\).
 </p>
 
@@ -1791,7 +1820,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_dcB.html b/build/ems_ms_dcB.html
index fca0d34..10239e7 100644
--- a/build/ems_ms_dcB.html
+++ b/build/ems_ms_dcB.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_lf.html b/build/ems_ms_lf.html
index c8fa10e..f5e0fde 100644
--- a/build/ems_ms_lf.html
+++ b/build/ems_ms_lf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1617,7 +1646,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_lf_pc.html b/build/ems_ms_lf_pc.html
index d5befc8..515bab5 100644
--- a/build/ems_ms_lf_pc.html
+++ b/build/ems_ms_lf_pc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,9 +1622,10 @@ Table of contents
 </svg></a><span class="headline-id">ems.ms.lf.pc</span></h5>
 <div class="outline-text-5" id="text-ems_ms_lf_pc">
 <p>
-Force on a point charge \(q\) moving at velocity \({\bf v}\) in magnetic field \({\bf B}\):
+The magnetic force on a point charge \(q\) moving at velocity \({\bf v}\) in magnetic field \({\bf B}\)
+is given by
 </p>
-<div class="core div" id="org6f47374">
+<div class="core div" id="orgc262a90">
 <p>
 \[
     {\bf F}_{mag} = q {\bf v} \times {\bf B}
@@ -1609,14 +1639,14 @@ Units of \({\bf B}\):  \(N/(A~m)\) is called a <b>tesla</b> (symbol: \(T\)).
 The total electromagnetic force on a point charge \(q\) moving at velocity
 \({\bf v}\) is given by the <b>Lorentz force</b>:
 </p>
-<div class="eqlabel" id="org8abe978">
+<div class="eqlabel" id="org0328b01">
 <p>
 <a id="LorFo"></a><a href="./ems_ms_lf_pc.html#LorFo"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgca3a8b5">
+<div class="alteqlabels" id="org513bb50">
 <ul class="org-ul">
 <li>FLS II (13.1)</li>
 <li>Gr (5.2)</li>
@@ -1626,7 +1656,7 @@ The total electromagnetic force on a point charge \(q\) moving at velocity
 </div>
 
 </div>
-<div class="core div" id="org7f05f5e">
+<div class="core div" id="orgb81998e">
 <p>
 \[
 {\bf F} = q ({\bf E} + {\bf v} \times {\bf B})
@@ -1636,14 +1666,15 @@ The total electromagnetic force on a point charge \(q\) moving at velocity
 
 </div>
 
-<div class="example div" id="orgfcfa3dd">
+<div class="example div" id="orgdf2f969">
 <p>
 <b>Cyclotron motion</b>
 </p>
 
 <p>
 Consider a magnetic field \({\bf B}\) pointing into the page.
-A charge \(q &gt; 0\) moves counterclockwise in the plane of the pagewith speed \(v\) on a circle of radius \(R\).
+A charge \(q &gt; 0\) moves counterclockwise in the plane of the page
+with speed \(v\) on a circle of radius \(R\).
 The magnetic force points inwards.
 Equating the centrifugal and centripetal accelerations, we obtain the <b>cyclotron formula</b>
 </p>
@@ -1694,7 +1725,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_vp.html b/build/ems_ms_vp.html
index da95130..6c75243 100644
--- a/build/ems_ms_vp.html
+++ b/build/ems_ms_vp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1620,7 +1649,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_vp_LC.html b/build/ems_ms_vp_LC.html
index 41ed1e4..d56a23b 100644
--- a/build/ems_ms_vp_LC.html
+++ b/build/ems_ms_vp_LC.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1597,18 +1626,18 @@ Similarly to the electrostatic dipole,
 the magnetic field of a dipole can be written in coordinate-free form.
 For this:  we define a useful object, the <br>
 </p>
-<div class="info div" id="org7624f24">
+<div class="info div" id="org1523564">
 <p>
 <b>Levi-Civita symbol</b>
 </p>
-<div class="eqlabel" id="orgf330e06">
+<div class="eqlabel" id="orge56e761">
 <p>
 <a id="LeviCivita"></a><a href="./ems_ms_vp_LC.html#LeviCivita"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org10a08b2">
+<div class="alteqlabels" id="org9177711">
 
 </div>
 
@@ -1631,14 +1660,14 @@ Using this:  we can for example rewrite the cross product as
 \]
 Important identity:
 </p>
-<div class="eqlabel" id="orgbc1a1b0">
+<div class="eqlabel" id="org743a7bc">
 <p>
 <a id="sumLeviCivita"></a><a href="./ems_ms_vp_LC.html#sumLeviCivita"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgb324bce">
+<div class="alteqlabels" id="org35259aa">
 
 </div>
 
@@ -1677,14 +1706,14 @@ and \(\epsilon_{ijk} \epsilon_{klm} = \epsilon_{ijk} \epsilon_{lmk} = \delta_{il
 <p>
 Putting back the vector notation, and the \(m\) notation for the magnetic dipole (instead of \(M\)), we obtain
 </p>
-<div class="eqlabel" id="org2dc0f83">
+<div class="eqlabel" id="org78758fe">
 <p>
 <a id="B_di"></a><a href="./ems_ms_vp_LC.html#B_di"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org0c56889">
+<div class="alteqlabels" id="org8e99a69">
 <ul class="org-ul">
 <li>Gr (5.89)</li>
 </ul>
@@ -1722,7 +1751,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_vp_comp.html b/build/ems_ms_vp_comp.html
index d6d1fc0..2dcd772 100644
--- a/build/ems_ms_vp_comp.html
+++ b/build/ems_ms_vp_comp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1662,7 +1691,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_vp_mbc.html b/build/ems_ms_vp_mbc.html
index 05c2ac6..37bde87 100644
--- a/build/ems_ms_vp_mbc.html
+++ b/build/ems_ms_vp_mbc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1628,15 +1657,15 @@ B^{\parallel}_{above} - B^{\parallel}_{below} = \mu_0 K
 Thus, the component of \({\bf B}\) that is parallel to surface but perpendicular to the current flow
 is discontinuous, whereas the one parallel to the flow is continuous.  In vector notation, this becomes
 </p>
-<div class="main div" id="org9eceb8e">
-<div class="eqlabel" id="org7d85b8b">
+<div class="main div" id="org0259943">
+<div class="eqlabel" id="org64d76c2">
 <p>
 <a id="Bdisc"></a><a href="./ems_ms_vp_mbc.html#Bdisc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org8d7e6f0">
+<div class="alteqlabels" id="orgfd23839">
 <ul class="org-ul">
 <li>Gr (5.76)</li>
 </ul>
@@ -1655,15 +1684,15 @@ is discontinuous, whereas the one parallel to the flow is continuous.  In vector
 <p>
 where \(\hat{\bf n}\) points upwards. For the vector potential, the relations are
 </p>
-<div class="main div" id="org10599a4">
-<div class="eqlabel" id="orgd7d1209">
+<div class="main div" id="orgab9dba5">
+<div class="eqlabel" id="org617ad1b">
 <p>
 <a id="Adisc"></a><a href="./ems_ms_vp_mbc.html#Adisc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="org27086bb">
+<div class="alteqlabels" id="org8008d0c">
 <ul class="org-ul">
 <li>Gr (5.77)</li>
 </ul>
@@ -1716,15 +1745,15 @@ What is left is
 \]
 Therefore, reidentifying the normal component, we get
 </p>
-<div class="main div" id="org218c00e">
-<div class="eqlabel" id="orgb257c3c">
+<div class="main div" id="org7533638">
+<div class="eqlabel" id="org98a46d2">
 <p>
 <a id="dAdisc"></a><a href="./ems_ms_vp_mbc.html#dAdisc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a>
 </p>
-<div class="alteqlabels" id="orgf648efe">
+<div class="alteqlabels" id="org175d710">
 <ul class="org-ul">
 <li>Gr (5.78)</li>
 </ul>
@@ -1761,7 +1790,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/ems_ms_vp_me.html b/build/ems_ms_vp_me.html
index 1d52c48..fba7590 100644
--- a/build/ems_ms_vp_me.html
+++ b/build/ems_ms_vp_me.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1608,14 +1637,14 @@ can thus be written
 \]
 Explicitly, the first few terms are (letting \(\hat{\bf r} \cdot \hat{\bf r}_s = \cos \theta\))
 </p>
-<div class="eqlabel" id="orge0dc13a">
+<div class="eqlabel" id="org37d566f">
 <p>
 <a id="A_Leg"></a><a href="./ems_ms_vp_me.html#A_Leg"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org4f1a878">
+<div class="alteqlabels" id="orge9ce9ab">
 <ul class="org-ul">
 <li>Gr (5.80)</li>
 </ul>
@@ -1642,14 +1671,14 @@ monopoles (also from Maxwell's equation <a href="./ems_ms_dcB_d.html#divB0">divB
 <p>
 The dominant term is thus the dipole,
 </p>
-<div class="eqlabel" id="org662943d">
+<div class="eqlabel" id="orge7740af">
 <p>
 <a id="A_di1"></a><a href="./ems_ms_vp_me.html#A_di1"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="orgf466457">
+<div class="alteqlabels" id="org42a6e09">
 <ul class="org-ul">
 <li>Gr (5.85)</li>
 </ul>
@@ -1664,14 +1693,14 @@ The dominant term is thus the dipole,
 \]
 Using the identity (see Gr Problem 1.62),
 </p>
-<div class="eqlabel" id="orgd42c168">
+<div class="eqlabel" id="org1ce1456">
 <p>
 <a id="intcr"></a><a href="./ems_ms_vp_me.html#intcr"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org892de03">
+<div class="alteqlabels" id="org147d272">
 <ul class="org-ul">
 <li>Gr (1.108)</li>
 </ul>
@@ -1688,7 +1717,7 @@ Using the identity (see Gr Problem 1.62),
 with \({\bf c} = \hat {\bf r}\),
 </p>
 
-<div class="info div" id="org8f1a4cb">
+<div class="info div" id="org275da63">
 <p>
 <b>Parenthesis:  derivation of</b> <a href="./ems_ms_vp_me.html#intcr">intcr</a>
 </p>
@@ -1731,18 +1760,18 @@ Back to our problem:
 \]
 and defining the
 </p>
-<div class="core div" id="org8827bc7">
+<div class="core div" id="orge3e1fa8">
 <p>
 <b>magnetic dipole moment</b>
 </p>
-<div class="eqlabel" id="org172b482">
+<div class="eqlabel" id="org6457df8">
 <p>
 <a id="magdim"></a><a href="./ems_ms_vp_me.html#magdim"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org2dff5c7">
+<div class="alteqlabels" id="orgbabfdfd">
 <ul class="org-ul">
 <li>Gr (5.86)</li>
 </ul>
@@ -1761,18 +1790,18 @@ and defining the
 <p>
 we obtain the convenient expression for the
 </p>
-<div class="main div" id="orgbade3a2">
+<div class="main div" id="org4cdf3e5">
 <p>
 <b>dipole term of the vector potential</b>
 </p>
-<div class="eqlabel" id="orgcea620a">
+<div class="eqlabel" id="orgc3df47a">
 <p>
 <a id="A_di"></a><a href="./ems_ms_vp_me.html#A_di"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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 </svg></a>
 </p>
-<div class="alteqlabels" id="org58d35ca">
+<div class="alteqlabels" id="org7b0246b">
 <ul class="org-ul">
 <li>Gr (5.85)</li>
 </ul>
@@ -1789,7 +1818,7 @@ we obtain the convenient expression for the
 
 </div>
 
-<div class="example div" id="org95095e4">
+<div class="example div" id="org866cac7">
 <p>
 <b>Example: bookend shape</b>
 </p>
@@ -1843,7 +1872,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm.html b/build/emsm.html
index 4f30d9d..ba8c514 100644
--- a/build/emsm.html
+++ b/build/emsm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
 </svg></a><span class="headline-id">emsm</span></h2>
 
 <div class="outline-text-2" id="text-emsm">
-<details class="prereq" id="org09bd908">
-<summary id="org6b081ec">
+<details class="prereq" id="orgead8605">
+<summary id="org0c0e9d6">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1603,8 +1632,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="org67202af">
-<summary id="org506fe95">
+<details class="objectives" id="org652bc89">
+<summary id="org6e49aa1">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1642,7 +1671,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_esm.html b/build/emsm_esm.html
index fd71c9a..3aae2c4 100644
--- a/build/emsm_esm.html
+++ b/build/emsm_esm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1586,7 +1615,7 @@ Table of contents
 </ul>
 </details>
 </nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li>Electrostatics in matter</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_p.html">Polarization&emsp;<small>[emsm.esm.p]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
+<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li>Electrostatics in matter</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_mE.html">Matter Bathed in E Fields; Polarization&emsp;<small>[emsm.esm.mE]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
 <h3 id="emsm_esm">Electrostatics in matter<a class="headline-permalink" href="./emsm_esm.html#emsm_esm"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
@@ -1598,14 +1627,14 @@ Table of contents
 
 <h4>In this section:</h4>
 <ul class="child-links-list">
-<li><a href="emsm_esm_p.html">Polarization</a><span class="headline-id">emsm.esm.p</span></li>
-<li><a href="emsm_esm_di.html">Dielectrics</a><span class="headline-id">emsm.esm.di</span></li>
-<li><a href="emsm_esm_fpo.html">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span></li>
+<li><a href="emsm_esm_mE.html">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span></li>
+<li><a href="emsm_esm_po.html">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span></li>
 <li><a href="emsm_esm_D.html">The Electric Displacement</a><span class="headline-id">emsm.esm.D</span></li>
 <li><a href="emsm_esm_di.html">Dielectrics</a><span class="headline-id">emsm.esm.di</span></li>
+<li><a href="emsm_esm_ld.html">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span></li>
 </ul>
 
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_p.html">Polarization&emsp;<small>[emsm.esm.p]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
+<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_mE.html">Matter Bathed in E Fields; Polarization&emsp;<small>[emsm.esm.mE]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
 <br>
 <hr>
 <div class="license">
@@ -1620,7 +1649,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_esm_D.html b/build/emsm_esm_D.html
index bbafffd..c37c516 100644
--- a/build/emsm_esm_D.html
+++ b/build/emsm_esm_D.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1586,7 +1615,7 @@ Table of contents
 </ul>
 </details>
 </nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li>The Electric Displacement</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_fpo_fid.html">The Field Inside a Dielectric&emsp;<small>[emsm.esm.fpo.fid]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_D_bc.html">Boundary Conditions&emsp;<small>[emsm.esm.D.bc]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
+<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li>The Electric Displacement</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_po_fid.html">The Field Inside a Dielectric&emsp;<small>[emsm.esm.po.fid]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_D_bc.html">Boundary Conditions&emsp;<small>[emsm.esm.D.bc]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
 <h4 id="emsm_esm_D">The Electric Displacement<a class="headline-permalink" href="./emsm_esm_D.html#emsm_esm_D"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
@@ -1596,7 +1625,7 @@ Table of contents
 <p>
 Field due to polarization:  effectively comes from bound surface and volume charges,
 </p>
-<div class="main div" id="org48e839f">
+<div class="main div" id="orgd45c81c">
 <p>
 \[
     \rho_b = -{\boldsymbol \nabla} \cdot {\bf P}, \hspace{1cm} \sigma_b = {\bf P} \cdot \hat{\bf n}.
@@ -1605,8 +1634,8 @@ Field due to polarization:  effectively comes from bound surface and volume char
 
 </div>
 <p>
-Rest of charges:  {\bf free charge} (electrons in conductors, ions embedded in dielectric,
-{\it i.e.} any charge which doesn't come from polarization).
+Rest of charges:  <b>free charge</b> (electrons in conductors, ions embedded in dielectric,
+<i>i.e.</i> any charge which doesn't come from polarization).
 </p>
 
 <p>
@@ -1625,59 +1654,119 @@ Convenient way of writing:
 \]
 Defining the
 </p>
-<div class="core div" id="orge3cf467">
+<div class="core div" id="orgf83cc52">
 <p>
 <b>Electric displacement</b> \({\bf D}\)
-  \[
-    {\bf D} \equiv \varepsilon_0 {\bf E} + {\bf P}
-    \label{Gr(4.21)}
-  \]
+</p>
+<div class="eqlabel" id="org3a6db49">
+<p>
+<a id="D"></a><a href="./emsm_esm_D.html#D"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="org6817622">
+<ul class="org-ul">
+<li>Gr (4.21)</li>
+</ul>
+
+</div>
+
+</div>
+<p>
+\[
+{\bf D} \equiv \varepsilon_0 {\bf E} + {\bf P}
+\tag{D}\label{D}
+\]
 </p>
 
 </div>
 <p>
 Gauss's law becomes
 </p>
-<div class="core div" id="orgb7bc0a4">
+<div class="core div" id="org19849d8">
+<div class="eqlabel" id="org144633a">
+<p>
+<a id="GlD"></a><a href="./emsm_esm_D.html#GlD"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="orgcee8169">
+<ul class="org-ul">
+<li>Gr (4.22)</li>
+</ul>
+
+</div>
+
+</div>
 <p>
 \[
-    {\boldsymbol \nabla} \cdot {\bf D} = \rho_f
-    \label{Gr(4.22)}
-  \]
+{\boldsymbol \nabla} \cdot {\bf D} = \rho_f
+\tag{GlD}\label{GlD}
+\]
 </p>
 
 </div>
 <p>
 or in integral form
 </p>
-<div class="core div" id="org84b108a">
+<div class="core div" id="org08e5fb5">
+<div class="eqlabel" id="org6a7a09f">
+<p>
+<a id="GlD_int"></a><a href="./emsm_esm_D.html#GlD_int"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="orgca18aaf">
+<ul class="org-ul">
+<li>Gr (4.23)</li>
+</ul>
+
+</div>
+
+</div>
 <p>
 \[
-    \oint d{\bf a} \cdot {\bf D} = Q_{f_{enc}}
-    \label{Gr(4.23)}
-  \]
+\oint d{\bf a} \cdot {\bf D} = Q_{f_{enc}}
+\tag{GlD_int}\label{GlD_int}
+\]
 </p>
 
 </div>
 
-<div class="example div" id="org3fd517d">
+<div class="example div" id="orgd8ebcbd">
 <p>
-\paragraph{Example 4.4:}  long straight wire, uniform line charge \(\lambda\), surrounded by rubber insulation
-to radius \(a\).  Find \({\bf D}\).
-\paragraph{Solution:}  cylindrical Gaussian surface, radius \(s\) and length \(L\).  Applying \ref{Gr(4.23)},
+<b>Example: long insulated wire</b>
+</p>
+
+<p>
+Consider a long straight wire, with uniform line charge \(\lambda\), surrounded by rubber insulation
+to radius \(a\).
+</p>
+
+<p>
+<b>Task</b>: find \({\bf D}\).
+</p>
+
+<p>
+<b>Solution</b>: cylindrical Gaussian surface, radius \(s\) and length \(L\).  Applying <a href="./emsm_esm_D.html#GlD_int">GlD_int</a>,
 \[
-    D 2\pi s L = \lambda L,
-  \]
+D 2\pi r L = \lambda L,
+\]
 so
+</p>
+
+<p>
 \[
-    {\bf D} = \frac{\lambda}{2\pi s} \hat{\bf s}
-    \label{Gr(4.24)}
-  \]
+{\bf D} = \frac{\lambda}{2\pi r} \hat{\bf r}
+\]
 This holds within insulation and outside of it.  Outside, \({\bf P} = 0\) so
 \[
-    {\bf E} = \frac{1}{\varepsilon_0} {\bf D} = \frac{\lambda}{2\pi \varepsilon_0 s} \hat{\bf s},
-    \hspace{1cm} s &gt; a.
-  \]
+{\bf E} = \frac{1}{\varepsilon_0} {\bf D} = \frac{\lambda}{2\pi \varepsilon_0 r} \hat{\bf r},
+\hspace{1cm} r &gt; a.
+\]
 Inside:  can't know the electric field, since \({\bf P}\) isn't known.
 </p>
 
@@ -1685,17 +1774,35 @@ Inside:  can't know the electric field, since \({\bf P}\) isn't known.
 
 
 <p>
-\paragraph{Note of caution:} while \ref{Gr(4.23)} might lead you to think that
+<b>Warning</b>: while <a href="./emsm_esm_D.html#GlD_int">GlD_int</a> might lead you to think that
 \[
 {\bf D} ({\bf r}) = \frac{1}{4\pi} \int_{\cal V} d\tau' \rho_f ({\bf r}') \frac{{\bf r} - {\bf r}'}{|{\bf r} - {\bf r}'|^3}
 \]
-but this is {\bf not} correct.  In particular, the curl of the displacement isn't always zero,
+but this is <i>not</i> correct, because the curl of the displacement isn't necessarily zero,
+</p>
+
+<div class="eqlabel" id="org18c21e8">
+<p>
+<a id="curlDcurlP"></a><a href="./emsm_esm_D.html#curlDcurlP"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="org68e92f6">
+<ul class="org-ul">
+<li>Gr (4.25)</li>
+</ul>
+
+</div>
+
+</div>
+<p>
 \[
 {\boldsymbol \nabla} \times {\bf D} = \varepsilon_0 ({\boldsymbol \nabla} \times {\bf E} + {\boldsymbol \nabla} \times {\bf P})
  = {\boldsymbol \nabla} \times {\bf P}
-\label{Gr(4.25)}
+\tag{curlDcurlP}\label{curlDcurlP}
 \]
-There is not 'potential' for \({\bf D}\).
+There is therefore no 'potential' for \({\bf D}\).
 </p>
 </div>
 
@@ -1706,7 +1813,7 @@ There is not 'potential' for \({\bf D}\).
 <li><a href="emsm_esm_D_bc.html">Boundary Conditions</a><span class="headline-id">emsm.esm.D.bc</span></li>
 </ul>
 
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_fpo_fid.html">The Field Inside a Dielectric&emsp;<small>[emsm.esm.fpo.fid]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_D_bc.html">Boundary Conditions&emsp;<small>[emsm.esm.D.bc]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
+<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_po_fid.html">The Field Inside a Dielectric&emsp;<small>[emsm.esm.po.fid]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_D_bc.html">Boundary Conditions&emsp;<small>[emsm.esm.D.bc]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
 <br>
 <hr>
 <div class="license">
@@ -1721,7 +1828,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_esm_D_bc.html b/build/emsm_esm_D_bc.html
index 9d24cc2..5628e44 100644
--- a/build/emsm_esm_D_bc.html
+++ b/build/emsm_esm_D_bc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,19 +1622,51 @@ Table of contents
 </svg></a><span class="headline-id">emsm.esm.D.bc</span></h5>
 <div class="outline-text-5" id="text-emsm_esm_D_bc">
 <p>
-From \ref{Gr(4.23)}:
-\[
-D^{\perp}_{above} - D^{\perp}_{below} = \sigma_f
-\label{Gr(4.26)}
-\]
-Then, \ref{Gr(4.25)} give
+From <a href="./emsm_esm_D.html#GlD_int">GlD_int</a>, using the usual Gaussian pillbox logic:
 </p>
-<div class="main div" id="org3e5f4f8">
+<div class="eqlabel" id="orgdce524a">
+<p>
+<a id="Dperp_disc"></a><a href="./emsm_esm_D_bc.html#Dperp_disc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="org6f1872b">
+<ul class="org-ul">
+<li>Gr (4.26)</li>
+</ul>
+
+</div>
+
+</div>
 <p>
 \[
-    {\bf D}^{\parallel}_{above} - {\bf D}^{\parallel}_{below} = {\bf P}^{\parallel}_{above} - {\bf P}^{\parallel}_{below}.
-    \label{Gr(4.27)}
-  \]
+D^{\perp}_{above} - D^{\perp}_{below} = \sigma_f
+\tag{Dperp_disc}\label{Dperp_disc}
+\]
+Then, <a href="./emsm_esm_D.html#curlDcurlP">curlDcurlP</a> gives
+</p>
+<div class="main div" id="org8271748">
+<div class="eqlabel" id="org51f3fa4">
+<p>
+<a id="Dpar_disc"></a><a href="./emsm_esm_D_bc.html#Dpar_disc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
+  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
+  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
+</svg></a>
+</p>
+<div class="alteqlabels" id="org66922f8">
+<ul class="org-ul">
+<li>Gr (4.27)</li>
+</ul>
+
+</div>
+
+</div>
+<p>
+\[
+{\bf D}^{\parallel}_{above} - {\bf D}^{\parallel}_{below} = {\bf P}^{\parallel}_{above} - {\bf P}^{\parallel}_{below}.
+\tag{Dpar_disc}\label{Dpar_disc}
+\]
 </p>
 
 </div>
@@ -1628,7 +1689,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_esm_di.html b/build/emsm_esm_di.html
index aaef885..3db0b0c 100644
--- a/build/emsm_esm_di.html
+++ b/build/emsm_esm_di.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li class="toc-currentpage">
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li class="toc-currentpage">
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
-<details open="">
-<summary class="toc-currentpage">
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<details>
+<summary>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1586,22 +1615,62 @@ Table of contents
 </ul>
 </details>
 </nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li>Dielectrics</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_p.html">Polarization&emsp;<small>[emsm.esm.p]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
+<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li>Dielectrics</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_D_bc.html">Boundary Conditions&emsp;<small>[emsm.esm.D.bc]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_ld.html">Linear Dielectrics&emsp;<small>[emsm.esm.ld]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul><div id="outline-container-emsm_esm_di" class="outline-4">
 <h4 id="emsm_esm_di">Dielectrics<a class="headline-permalink" href="./emsm_esm_di.html#emsm_esm_di"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a><span class="headline-id">emsm.esm.di</span></h4>
-
 <div class="outline-text-4" id="text-emsm_esm_di">
+<p>
+Let's quickly pause to give a classification of the types of responses that might be expected from
+materials.
+</p>
+
+<p>
+<b>Permanent polarization</b>: here, \({\bf P} \neq 0\) even if \({\bf E} = 0\).
+These are the <b>electrets</b>.
+</p>
+
+<p>
+<b>Nonlinear dielectrics</b>: for these, there are non-negligible corrections to the purely linear
+behaviour. One can express these nonlinearities through an expansion of the form
+\[
+P_i = \sum_j \alpha_{ij} E_j + \sum_{jk} \beta_{ijkl} E_j E_k E_l + ...
+\]
+(even-order terms usually absent, but could be there in principle).
+</p>
+
+<p>
+<b>Linear dielectrics</b>: for these, the only significant term is the linear term. The most general
+form is then
+\[
+P_i = \varepsilon_0 \chi_{ij} E_j
+\]
+where \({\bf \chi}\) is the <b>electric susceptibility tensor</b> (it's a tensor of rank 2),
+which cannot depend on \({\bf E}\) (otherwise we go back to the nonlinear case).
+This is common in crystals, leading to phenomena such as double refraction.
+</p>
+
+<p>
+<b>Linear isotropic dielectrics</b>: at a given point, the electrical properties of
+the dielectric are independent of the direction of \({\bf E}\) (isotropy).  Liquids fall into
+this category.  We here have
+</p>
+<div class="main div" id="org6bed2ea">
+<p>
+\[
+{\bf P} = \varepsilon_0 \chi_e {\bf E}
+\]
+</p>
+
+</div>
+</div>
 </div>
 
 
-<h5>In this section:</h5>
-<ul class="child-links-list">
-<li><a href="emsm_esm_di_ld.html">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span></li>
-</ul>
 
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_p.html">Polarization&emsp;<small>[emsm.esm.p]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
+
+<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_D_bc.html">Boundary Conditions&emsp;<small>[emsm.esm.D.bc]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_ld.html">Linear Dielectrics&emsp;<small>[emsm.esm.ld]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
 <br>
 <hr>
 <div class="license">
@@ -1616,7 +1685,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_esm_di_ld.html b/build/emsm_esm_di_ld.html
deleted file mode 100644
index d5aad5e..0000000
--- a/build/emsm_esm_di_ld.html
+++ /dev/null
@@ -1,2055 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-<!-- 2022-02-21 Mon 10:33 -->
-<meta charset="utf-8">
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<title>Pre-Quantum Electrodynamics</title>
-<meta name="generator" content="Org mode">
-<meta name="author" content="Jean-Sébastien Caux">
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-<a href="./index.html" class="homepage-link">Pre-Quantum Electrodynamics</a>
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-Table of contents
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-<summary>
-<a href="./in.html#in">Introduction</a><span class="headline-id">in</span>
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-<a href="./in_p.html#in_p">Preface</a><span class="headline-id">in.p</span>
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-<a href="./in_t.html#in_t">Tips for the reader</a><span class="headline-id">in.t</span>
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-<a href="./in_t_l.html#in_t_l">Section and equation labelling</a><span class="headline-id">in.t.l</span>
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-<a href="./in_t_c.html#in_t_c">Contextual colors</a><span class="headline-id">in.t.c</span>
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-<a href="./ems.html#ems">Electromagnetostatics</a><span class="headline-id">ems</span>
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-<a href="./ems_es.html#ems_es">Electrostatics</a><span class="headline-id">ems.es</span>
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-<a href="./ems_es_ec.html#ems_es_ec">Electric Charge</a><span class="headline-id">ems.es.ec</span>
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-<a href="./ems_es_ec_b.html#ems_es_ec_b">Basics</a><span class="headline-id">ems.es.ec.b</span>
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-<a href="./ems_es_ec_c.html#ems_es_ec_c">Conservation</a><span class="headline-id">ems.es.ec.c</span>
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-<a href="./ems_es_ec_q.html#ems_es_ec_q">Quantization</a><span class="headline-id">ems.es.ec.q</span>
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-<a href="./ems_es_ec_s.html#ems_es_ec_s">Structure</a><span class="headline-id">ems.es.ec.s</span>
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-<a href="./ems_es_efo.html#ems_es_efo">Electric Force and Energy</a><span class="headline-id">ems.es.efo</span>
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-<a href="./ems_es_efo_cl.html#ems_es_efo_cl">Coulomb's Law</a><span class="headline-id">ems.es.efo.cl</span>
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-<a href="./ems_es_efo_ps.html#ems_es_efo_ps">Principle of Superposition</a><span class="headline-id">ems.es.efo.ps</span>
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-<a href="./ems_es_efo_exp.html#ems_es_efo_exp">Experimental Investigations</a><span class="headline-id">ems.es.efo.exp</span>
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-<a href="./ems_es_efo_e.html#ems_es_efo_e">Energy in Systems of Point Charges</a><span class="headline-id">ems.es.efo.e</span>
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-<a href="./ems_es_ef.html#ems_es_ef">Electrostatic Fields</a><span class="headline-id">ems.es.ef</span>
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-<a href="./ems_es_ef_pc.html#ems_es_ef_pc">Electrostatic Field of Point Charges</a><span class="headline-id">ems.es.ef.pc</span>
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-<a href="./ems_es_ef_ccd.html#ems_es_ef_ccd">Electrostatic Field of Continuous Charge Distributions</a><span class="headline-id">ems.es.ef.ccd</span>
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-<a href="./ems_es_ef_cE.html#ems_es_ef_cE">The Curl of \({\bf E}\)</a><span class="headline-id">ems.es.ef.cE</span>
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-<a href="./ems_es_ef_Gl.html#ems_es_ef_Gl">Gauss's Law: the divergence of \({\bf E}\)</a><span class="headline-id">ems.es.ef.Gl</span>
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-<a href="./ems_es_ep.html#ems_es_ep">The Electrostatic Potential</a><span class="headline-id">ems.es.ep</span>
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-<a href="./ems_es_ep_d.html#ems_es_ep_d">Definition</a><span class="headline-id">ems.es.ep.d</span>
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-<a href="./ems_es_ep_fp.html#ems_es_ep_fp">Field in terms of the potential</a><span class="headline-id">ems.es.ep.fp</span>
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-<a href="./ems_es_ep_ex.html#ems_es_ep_ex">Example calculations for the potential</a><span class="headline-id">ems.es.ep.ex</span>
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-<a href="./ems_es_ep_PL.html#ems_es_ep_PL">Poisson's and Laplace's Equations</a><span class="headline-id">ems.es.ep.PL</span>
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-<a href="./ems_es_e.html#ems_es_e">Electrostatic Energy from the Potential</a><span class="headline-id">ems.es.e</span>
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-<a href="./ems_es_c_ic.html#ems_es_c_ic">Induced Charges</a><span class="headline-id">ems.es.c.ic</span>
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-<a href="./ems_ca.html#ems_ca">Calculating or Approximating the Electrostatic Potential</a><span class="headline-id">ems.ca</span>
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-<a href="./ems_ca_fe_L.html#ems_ca_fe_L">The Laplace Equation</a><span class="headline-id">ems.ca.fe.L</span>
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-<a href="./ems_ca_me.html#ems_ca_me">The Multipole Expansion</a><span class="headline-id">ems.ca.me</span>
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-<a href="./ems_ca_me_a.html#ems_ca_me_a">Approximate Potential at Large Distance</a><span class="headline-id">ems.ca.me.a</span>
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-<a href="./ems_ca_me_Ed.html#ems_ca_me_Ed">The Electric Field of a Dipole</a><span class="headline-id">ems.ca.me.Ed</span>
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-<a href="./ems_ca_me_Eq.html#ems_ca_me_Eq">The Electric Field of a Quadrupole</a><span class="headline-id">ems.ca.me.Eq</span>
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-<a href="./ems_ms.html#ems_ms">Magnetostatics</a><span class="headline-id">ems.ms</span>
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-<a href="./ems_ms_lf.html#ems_ms_lf">Charges in Motion: the Lorentz Force Law</a><span class="headline-id">ems.ms.lf</span>
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-<a href="./ems_ms_vp.html#ems_ms_vp">The Vector Potential</a><span class="headline-id">ems.ms.vp</span>
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-<a href="./ems_ms_vp_A.html#ems_ms_vp_A">Definition; Gauge Choices</a><span class="headline-id">ems.ms.vp.A</span>
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-<a href="./ems_ms_vp_mbc.html#ems_ms_vp_mbc">Magnetic Boundary Conditions</a><span class="headline-id">ems.ms.vp.mbc</span>
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-<a href="./ems_ms_vp_me.html#ems_ms_vp_me">Multipole Expansion of the Vector Potential</a><span class="headline-id">ems.ms.vp.me</span>
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-<a href="./ems_ms_vp_comp.html#ems_ms_vp_comp">Comparison of Electrostatics and Magnetostatics</a><span class="headline-id">ems.ms.vp.comp</span>
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-<a href="./ems_ms_vp_LC.html#ems_ms_vp_LC">The Levi-Civita Symbol</a><span class="headline-id">ems.ms.vp.LC</span>
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-<a href="./emsm.html#emsm">Electromagnetostatics in matter</a><span class="headline-id">emsm</span>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
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-<a href="./emsm_msm_m_dpf.html#emsm_msm_m_dpf">Diamagnetism, Paramagnetism, Ferromagnetism</a><span class="headline-id">emsm.msm.m.dpf</span>
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-<a href="./emsm_msm_m_fdi.html#emsm_msm_m_fdi">Torques and Forces on Magnetic Dipoles</a><span class="headline-id">emsm.msm.m.fdi</span>
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-<a href="./emsm_msm_fmo.html#emsm_msm_fmo">The Field of a Magnetized Object</a><span class="headline-id">emsm.msm.fmo</span>
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-<a href="./emsm_msm_fmo_bc.html#emsm_msm_fmo_bc">Bound Currents</a><span class="headline-id">emsm.msm.fmo.bc</span>
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-<a href="./emsm_msm_fmo_pibc.html#emsm_msm_fmo_pibc">Physical Interpretation of Bound Currents</a><span class="headline-id">emsm.msm.fmo.pibc</span>
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-<a href="./emsm_msm_fmo_fim.html#emsm_msm_fmo_fim">The Magnetic Field Inside Matter</a><span class="headline-id">emsm.msm.fmo.fim</span>
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-<a href="./emsm_msm_H.html#emsm_msm_H">The H Field</a><span class="headline-id">emsm.msm.H</span>
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-<a href="./emsm_msm_H_A.html#emsm_msm_H_A">Ampère's Law in Magnetized Materials</a><span class="headline-id">emsm.msm.H.A</span>
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-<a href="./emsm_msm_lnlm_sp.html#emsm_msm_lnlm_sp">Magnetic Susceptibility and Permeability</a><span class="headline-id">emsm.msm.lnlm.sp</span>
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-<a href="./emsm_msm_lnlm_fm.html#emsm_msm_lnlm_fm">Ferromagnetism</a><span class="headline-id">emsm.msm.lnlm.fm</span>
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-<a href="./emd.html#emd">Electromagnetodynamics</a><span class="headline-id">emd</span>
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-<a href="./emd_Fl.html#emd_Fl">Induction: Faraday's Law</a><span class="headline-id">emd.Fl</span>
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-<a href="./emd_Fl_Fl.html#emd_Fl_Fl">Faraday's Law</a><span class="headline-id">emd.Fl.Fl</span>
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-<a href="./emd_Fl_ief.html#emd_Fl_ief">The Induced Electric Field</a><span class="headline-id">emd.Fl.ief</span>
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-<a href="./emd_Fl_i.html#emd_Fl_i">Inductance</a><span class="headline-id">emd.Fl.i</span>
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-<a href="./emd_Fl_e.html#emd_Fl_e">Energy in Magnetic Fields</a><span class="headline-id">emd.Fl.e</span>
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-<a href="./emd_Me.html#emd_Me">Maxwell's Equations</a><span class="headline-id">emd.Me</span>
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-</summary>
-<ul>
-<li>
-<a href="./emd_Me_ebM.html#emd_Me_ebM">Electrodynamics Before Maxwell</a><span class="headline-id">emd.Me.ebM</span>
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-<li>
-<a href="./emd_Me_dc.html#emd_Me_dc">Maxwell's Correction to Ampère's Law; the Displacement Current</a><span class="headline-id">emd.Me.dc</span>
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-<li>
-<a href="./emd_Me_Me.html#emd_Me_Me">Maxwell's Equations</a><span class="headline-id">emd.Me.Me</span>
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-<a href="./emd_Me_mc.html#emd_Me_mc">Magnetic Charge</a><span class="headline-id">emd.Me.mc</span>
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-<a href="./emd_ce.html#emd_ce">Charge and Energy Flows</a><span class="headline-id">emd.ce</span>
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-<li>
-<a href="./emd_ce_ce.html#emd_ce_ce">The Continuity Equation</a><span class="headline-id">emd.ce.ce</span>
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-<a href="./emd_ce_poy.html#emd_ce_poy">Poynting's Theorem; the Poynting Vector</a><span class="headline-id">emd.ce.poy</span>
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-<a href="./emd_ce_mst.html#emd_ce_mst">Maxwell's Stress Tensor</a><span class="headline-id">emd.ce.mst</span>
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-<a href="./emd_ce_mom.html#emd_ce_mom">Momentum</a><span class="headline-id">emd.ce.mom</span>
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-<li>
-<a href="./emd_ce_amom.html#emd_ce_amom">Angular Momentum</a><span class="headline-id">emd.ce.amom</span>
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-</ul>
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-<a href="./emd_emw.html#emd_emw">Electromagnetic waves in vacuum</a><span class="headline-id">emd.emw</span>
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-</summary>
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-<li>
-<a href="./emd_emw_we.html#emd_emw_we">The Wave Equation</a><span class="headline-id">emd.emw.we</span>
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-<a href="./emd_emw_mpw.html#emd_emw_mpw">Monochromatic Plane Waves</a><span class="headline-id">emd.emw.mpw</span>
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-<a href="./emd_emw_ep.html#emd_emw_ep">Energy and Momentum</a><span class="headline-id">emd.emw.ep</span>
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-</ul>
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-<a href="./emdm.html#emdm">Electromagnetodynamics in Matter</a><span class="headline-id">emdm</span>
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-</summary>
-<ul>
-<li>
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-<details>
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-<a href="./emdm_Me.html#emdm_Me">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me</span>
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-</summary>
-<ul>
-<li>
-<a href="./emdm_Me_Mem.html#emdm_Me_Mem">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me.Mem</span>
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-<li>
-<a href="./emdm_Me_bc.html#emdm_Me_bc">Boundary Conditions</a><span class="headline-id">emdm.Me.bc</span>
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-<a href="./emdm_emwm.html#emdm_emwm">Electromagnetic Waves in Matter</a><span class="headline-id">emdm.emwm</span>
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-<a href="./emdm_emwm_plm.html#emdm_emwm_plm">Propagation in Linear Media</a><span class="headline-id">emdm.emwm.plm</span>
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-<a href="./emdm_emwm_refr.html#emdm_emwm_refr">Refraction</a><span class="headline-id">emdm.emwm.refr</span>
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-<a href="./emdm_emwm_refl.html#emdm_emwm_refl">Reflection and Transmission</a><span class="headline-id">emdm.emwm.refl</span>
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-<a href="./emdm_emwm_refl_ni.html#emdm_emwm_refl_ni">Normal Incidence</a><span class="headline-id">emdm.emwm.refl.ni</span>
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-<a href="./emdm_emwm_refl_oi.html#emdm_emwm_refl_oi">Oblique Incidence</a><span class="headline-id">emdm.emwm.refl.oi</span>
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-<a href="./emdm_emwm_refl_Fe.html#emdm_emwm_refl_Fe">Fresnel's Equations</a><span class="headline-id">emdm.emwm.refl.Fe</span>
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-<a href="./emdm_emwm_refl_Ba.html#emdm_emwm_refl_Ba">Brewster's Angle</a><span class="headline-id">emdm.emwm.refl.Ba</span>
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-<a href="./emdm_emwm_ad.html#emdm_emwm_ad">Absorption and Dispersion</a><span class="headline-id">emdm.emwm.ad</span>
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-<a href="./emdm_emwm_ad_c.html#emdm_emwm_ad_c">EM Waves in Conductors</a><span class="headline-id">emdm.emwm.ad.c</span>
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-<a href="./emdm_emwm_wg.html#emdm_emwm_wg">Waveguides</a><span class="headline-id">emdm.emwm.wg</span>
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-<a href="./emdm_emwm_wg_gw.html#emdm_emwm_wg_gw">Guided waves</a><span class="headline-id">emdm.emwm.wg.gw</span>
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-<a href="./emdm_emwm_wg_r.html#emdm_emwm_wg_r">Rectangular Waveguides</a><span class="headline-id">emdm.emwm.wg.r</span>
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-<a href="./emdm_emwm_wg_c.html#emdm_emwm_wg_c">Coaxial Lines</a><span class="headline-id">emdm.emwm.wg.c</span>
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-</ul>
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-</ul>
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-<a href="./emf.html#emf">Electromagnetic Fields</a><span class="headline-id">emf</span>
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-<a href="./emf_svp.html#emf_svp">Scalar and Vector Potentials</a><span class="headline-id">emf.svp</span>
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-<details>
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-<a href="./emf_g.html#emf_g">Gauge Freedom and Choices</a><span class="headline-id">emf.g</span>
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-<a href="./emf_g_Cg.html#emf_g_Cg">Coulomb Gauge</a><span class="headline-id">emf.g.Cg</span>
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-<a href="./emf_g_Lg.html#emf_g_Lg">Lorenz Gauge; d'Alembertian; Inhomogeneous Maxwell Equations</a><span class="headline-id">emf.g.Lg</span>
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-<a href="./red.html#red">Relativistic Electrodynamics</a><span class="headline-id">red</span>
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-<a href="./red_sr.html#red_sr">Special Relativity</a><span class="headline-id">red.sr</span>
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-<a href="./red_sr_p.html#red_sr_p">Postulates and their consequences</a><span class="headline-id">red.sr.p</span>
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-<a href="./red_sr_Lt.html#red_sr_Lt">Lorentz Transformations</a><span class="headline-id">red.sr.Lt</span>
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-<li>
-<a href="./red_sr_4v.html#red_sr_4v">Covariant and Contravariant Four-Vectors</a><span class="headline-id">red.sr.4v</span>
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-</ul>
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-<a href="./red_rm.html#red_rm">Relativistic Mechanics</a><span class="headline-id">red.rm</span>
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-<li>
-<a href="./red_rm_pt.html#red_rm_pt">Proper Time and Proper Velocity</a><span class="headline-id">red.rm.pt</span>
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-<li>
-<a href="./red_rm_rme.html#red_rm_rme">Relativistic Momentum and Energy</a><span class="headline-id">red.rm.rme</span>
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-</li>
-<li>
-<a href="./red_rm_Mf.html#red_rm_Mf">Relativistic version of Newton's Laws; the Minkowski Force</a><span class="headline-id">red.rm.Mf</span>
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-<details>
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-<a href="./red_rem.html#red_rem">Relativistic Electromagnetism</a><span class="headline-id">red.rem</span>
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-</summary>
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-<li>
-<a href="./red_rem_mre.html#red_rem_mre">Magnetism as a Relativistic Effect</a><span class="headline-id">red.rem.mre</span>
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-<li>
-<a href="./red_rem_Ltf.html#red_rem_Ltf">Lorentz Transformation of Electromagnetic Fields</a><span class="headline-id">red.rem.Ltf</span>
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-<li>
-<a href="./red_rem_Fmunu.html#red_rem_Fmunu">The Field Tensor</a><span class="headline-id">red.rem.Fmunu</span>
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-<li>
-<a href="./red_rem_Me.html#red_rem_Me">Maxwell's Equations in Relativistic Notation</a><span class="headline-id">red.rem.Me</span>
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-<a href="./qed.html#qed">Quantum Electrodynamics</a><span class="headline-id">qed</span>
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-<li>
-<a href="./qed_t.html#qed_t">QED today</a><span class="headline-id">qed.t</span>
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-<li>
-<a href="./d_m.html#d_m">Diagnostics: Mathematical Preliminaries</a><span class="headline-id">d.m</span>
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-<a href="./d_ems.html#d_ems">Diagnostics: Electromagnetostatics</a><span class="headline-id">d.ems</span>
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-<li>
-<a href="./d_ems_ca.html#d_ems_ca">Diagnostics: Calculating or Approximating the Electostatic Potential</a><span class="headline-id">d.ems.ca</span>
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-</li>
-<li>
-<a href="./d_emsm.html#d_emsm">Diagnostics: Electromagnetostatics in Matter</a><span class="headline-id">d.emsm</span>
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-</li>
-<li>
-<a href="./d_ems_ms.html#d_ems_ms">Diagnostics: Magnetostatics</a><span class="headline-id">d.ems.ms</span>
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-</li>
-<li>
-<a href="./d_emsm_msm.html#d_emsm_msm">Diagnostics: Magnetostatics in Matter</a><span class="headline-id">d.emsm.msm</span>
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-<li>
-<a href="./d_emd.html#d_emd">Diagnostics: Electromagnetodynamics</a><span class="headline-id">d.emd</span>
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-<a href="./d_emd_ce.html#d_emd_ce">Diagnostics: Conservation Laws</a><span class="headline-id">d.emd.ce</span>
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-<li>
-<a href="./d_emd_emw.html#d_emd_emw">Diagnostics: Electromagnetic Waves</a><span class="headline-id">d.emd.emw</span>
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-<li>
-<a href="./d_emf.html#d_emf">Diagnostics: Potentials, Gauges and Fields</a><span class="headline-id">d.emf</span>
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-<a href="./d_red.html#d_red">Diagnostics: Relativistic Electrodynamics</a><span class="headline-id">d.red</span>
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-<a href="./a_l.html#a_l">Literature</a><span class="headline-id">a.l</span>
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-<details>
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-<details>
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-<a href="./c_m_va.html#c_m_va">Vector Analysis</a><span class="headline-id">c.m.va</span>
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-<a href="./c_m_va_n.html#c_m_va_n">Notation and algebraic properties</a><span class="headline-id">c.m.va.n</span>
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-<a href="./c_m_va_sp.html#c_m_va_sp">Scalar product</a><span class="headline-id">c.m.va.sp</span>
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-<a href="./c_m_va_cp.html#c_m_va_cp">Cross product</a><span class="headline-id">c.m.va.cp</span>
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-</li>
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-<a href="./c_m_va_tp.html#c_m_va_tp">Triple Products</a><span class="headline-id">c.m.va.tp</span>
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-<a href="./c_m_va_pds.html#c_m_va_pds">Position, Displacement and Separation Vectors</a><span class="headline-id">c.m.va.pds</span>
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-<details>
-<summary>
-<a href="./c_m_dc.html#c_m_dc">Differential Calculus</a><span class="headline-id">c.m.dc</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_dc_g.html#c_m_dc_g">Gradient</a><span class="headline-id">c.m.dc.g</span>
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-</li>
-<li>
-<a href="./c_m_dc_del.html#c_m_dc_del">The \({\boldsymbol \nabla}\) Operator</a><span class="headline-id">c.m.dc.del</span>
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-</li>
-<li>
-<a href="./c_m_dc_div.html#c_m_dc_div">The Divergence</a><span class="headline-id">c.m.dc.div</span>
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-</li>
-<li>
-<a href="./c_m_dc_curl.html#c_m_dc_curl">The Curl</a><span class="headline-id">c.m.dc.curl</span>
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-</li>
-<li>
-<a href="./c_m_dc_pr.html#c_m_dc_pr">Product arguments</a><span class="headline-id">c.m.dc.pr</span>
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-</li>
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-<a href="./c_m_dc_d2.html#c_m_dc_d2">Second Derivatives</a><span class="headline-id">c.m.dc.d2</span>
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-<details>
-<summary>
-<a href="./c_m_ic.html#c_m_ic">Integral Calculus</a><span class="headline-id">c.m.ic</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_ic_lsv.html#c_m_ic_lsv">Line, Surface and Volume Integrals</a><span class="headline-id">c.m.ic.lsv</span>
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-<li>
-<a href="./c_m_ic_ftc.html#c_m_ic_ftc">The Fundamental Theorem of Calculus</a><span class="headline-id">c.m.ic.ftc</span>
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-</li>
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-<a href="./c_m_ic_ftg.html#c_m_ic_ftg">The Fundamental Theorem for Gradients</a><span class="headline-id">c.m.ic.ftg</span>
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-<a href="./c_m_ic_gauss.html#c_m_ic_gauss">Gauss' Theorem</a><span class="headline-id">c.m.ic.gauss</span>
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-<a href="./c_m_ic_stokes.html#c_m_ic_stokes">Stokes' Theorem</a><span class="headline-id">c.m.ic.stokes</span>
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-<a href="./c_m_ic_ip.html#c_m_ic_ip">Integration by Parts</a><span class="headline-id">c.m.ic.ip</span>
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-<a href="./c_m_cs.html#c_m_cs">Coordinate Systems</a><span class="headline-id">c.m.cs</span>
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-<a href="./c_m_cs_sph.html#c_m_cs_sph">Spherical Coordinates</a><span class="headline-id">c.m.cs.sph</span>
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-<a href="./c_m_cs_cyl.html#c_m_cs_cyl">Cylindrical Coordinates</a><span class="headline-id">c.m.cs.cyl</span>
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-<a href="./c_m_cs_hyp.html#c_m_cs_hyp">Hyperbolic Coordinates</a><span class="headline-id">c.m.cs.hyp</span>
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-<a href="./c_m_dd.html#c_m_dd">Dirac delta Distribution</a><span class="headline-id">c.m.dd</span>
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-</summary>
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-<li>
-<a href="./c_m_dd_div.html#c_m_dd_div">The Divergence of \(\hat{\bf r}/r^2\)</a><span class="headline-id">c.m.dd.div</span>
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-<li>
-<a href="./c_m_dd_1d.html#c_m_dd_1d">The One-Dimensional Dirac Delta Function</a><span class="headline-id">c.m.dd.1d</span>
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-<a href="./c_m_dd_3d.html#c_m_dd_3d">The Three-Dimensional Delta Function</a><span class="headline-id">c.m.dd.3d</span>
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-<a href="./c_m_vf.html#c_m_vf">Vector Fields</a><span class="headline-id">c.m.vf</span>
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-<a href="./c_m_vf_helm.html#c_m_vf_helm">The Helmholtz Theorem</a><span class="headline-id">c.m.vf.helm</span>
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-<a href="./c_m_vf_pot.html#c_m_vf_pot">Potentials</a><span class="headline-id">c.m.vf.pot</span>
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-<a href="./c_m_uf.html#c_m_uf">Useful Formulas</a><span class="headline-id">c.m.uf</span>
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-<a href="./c_m_uf_cyl.html#c_m_uf_cyl">Cylindrical coordinates</a><span class="headline-id">c.m.uf.cyl</span>
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-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm_di.html">Dielectrics</a></li><li>Linear Dielectrics</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li><li>Next:&nbsp;<a href="emsm_msm.html">Magnetostatics in matter&emsp;<small>[emsm.msm]</small></a></li><li>Up:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li></ul><div id="outline-container-emsm_esm_di_ld" class="outline-5">
-<h5 id="emsm_esm_di_ld">Linear Dielectrics<a class="headline-permalink" href="./emsm_esm_di_ld.html#emsm_esm_di_ld"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
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-</svg></a><span class="headline-id">emsm.esm.di.ld</span></h5>
-<div class="outline-text-5" id="text-emsm_esm_di_ld">
-</div>
-
-<div id="outline-container-emsm_esm_di_ld_sp" class="outline-6">
-<h6 id="emsm_esm_di_ld_sp"><a href="#emsm_esm_di_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a></h6>
-<div class="outline-text-6" id="text-emsm_esm_di_ld_sp">
-<p>
-For many substances:  polarization is proportional to field, if the latter isn't too strong:
-</p>
-<div class="main div" id="org8261509">
-<p>
-\[
-    {\bf P} = \varepsilon_0 \chi_e {\bf E}
-    \label{Gr(4.30)}
-  \]
-</p>
-
-</div>
-<p>
-Constant \(\chi_e\):  called the {\bf electric susceptibility} of the medium.  Since \(\varepsilon_0\) is
-there, \(\chi_e\) is dimensionless.  Materials that obey \ref{Gr(4.30)} are called
-{\bf linear dielectrics}.
-</p>
-
-<p>
-\paragraph{Note:} \({\bf E}\) on the RHS of \ref{Gr(4.30)} is the {\bf total} electric field,
-due to free charges and to the polarization itself.  Putting dielectric in field \({\bf E}_0\),
-we can't compute \({\bf P}\) directly from \ref{Gr(4.30)}.  Better way:  compute \({\bf D}\).
-</p>
-
-<p>
-In linear dielectrics:
-\[
-{\bf D} = \varepsilon_0 {\bf E} + {\bf P} = \varepsilon_0 {\bf E} + \varepsilon_0 \chi_e {\bf E}
-= \varepsilon_0 (1 + \chi_e) {\bf E}
-\label{Gr(4.31)}
-\]
-so
-</p>
-<div class="main div" id="org541d013">
-<p>
-\[
-    {\bf D} = \varepsilon {\bf E}
-    \label{Gr(4.32)}
-  \]
-</p>
-
-</div>
-<p>
-where \(\varepsilon\) is called the {\bf permittivity} of the material.  In vacuum, susceptibility is zero,
-permittivity is \(\varepsilon_0\).  Also,
-\[
-\varepsilon_r \equiv 1 + \chi_e = \frac{\varepsilon}{\varepsilon_0}
-\label{Gr(4.34)}
-\]
-is called the {\bf relative permittivity} or {\bf dielectric constant} of the material.
-This is all just nomenclature, everything is already in \ref{Gr(4.30)}.
-</p>
-
-
-
-<div class="example div" id="org68a0528">
-<p>
-\paragraph{Example 4.5:}  metal sphere of radius \(a\) carrying charge \(Q\), surrounded out to radius \(b\) by
-a linear dielectric material of permittivity \(\varepsilon\).  Find potential at center (relative to infinity).
-\paragraph{Solution:}  need to know \({\bf E}\).  Could try to locate bound charge:  but we don't know \({\bf P}\) !
-What we do know:  free charge, situation is spherically symmetric, so can calculate \({\bf D}\)
-using \ref{Gr(4.23)}:
-\[
-    {\bf D} = \frac{Q}{4\pi r^2} \hat{\bf r}, \hspace{1cm} r &gt; a.
-  \]
-Inside sphere, \({\bf E} = {\bf P} = {\bf D} = 0\).  Find \({\bf E}\) using \ref{Gr(4.32)}:
-\[
-    {\bf E} = \left\{ \begin{array}{cc}
-      \frac{Q}{4\pi \varepsilon r^2} \hat{\bf r}, &amp; a &lt; r &lt; b, \\
-      \frac{Q}{4\pi \varepsilon_0 r^2} \hat{\bf r}, &amp; r &gt; b. \end{array} \right.
-  \]
-The potential is thus
-\[
-    V = -\int_\infty^0 d{\bf l} \cdot {\bf E} = -\int_\infty^b dr \frac{Q}{4\pi\varepsilon_0 r^2} - \int_b^a dr \frac{Q}{4\pi\varepsilon r^2}
-    = \frac{Q}{4\pi} \left( \frac{1}{\varepsilon_0 b} + \frac{1}{\varepsilon a} - \frac{1}{\varepsilon b} \right).
-  \]
-</p>
-
-<p>
-It was thus not necessary to compute the polarization or the bound charge explicitly.  This can be done:
-\[
-    {\bf P} = \varepsilon_0 \chi_e {\bf E} = \frac{\varepsilon_0 \chi_e Q}{4\pi \varepsilon r^2} \hat{\bf r},
-  \]
-so
-\[
-    \rho_b = -{\boldsymbol \nabla} \cdot {\bf P} = 0, \hspace{1cm}
-    \sigma_b = {\bf P} \cdot \hat{\bf n} = \left\{ \begin{array}{cc}
-      \frac{\varepsilon_0 \chi_e Q}{4\pi \varepsilon b^2}, &amp; \mbox{outer surface} \\
-      -\frac{\varepsilon_0 \chi_e Q}{4\pi \varepsilon a^2}, &amp; \mbox{inner surface} \end{array} \right.
-  \]
-</p>
-
-<p>
-Dielectric thus like an imperfect conductor:  charge \(Q\) not fully screened.
-</p>
-
-</div>
-
-
-<p>
-In linear dielectrics, the parallel between \({\bf E}\) and \({\bf D}\) is also not perfect.
-Remark: since \({\bf P}\) and \({\bf D}\) are both proportional to \({\bf E}\) inside the dielectric,
-does it mean that their curl vanishes like for \({\bf E}\) ?  {\bf No}:  if there is a boundary
-between two materials with different dielectric constants, then a closed loop integral
-of {\it e.g.} \({\bf P}\) would not vanish.
-</p>
-
-<p>
-Only case where parallel works:  space entirely filled with homogeneous linear dielectric.
-</p>
-
-<div class="example div" id="org35c8add">
-<p>
-\paragraph{Example 4.6:}  parallel-plate capacitor filled with insulating material of
-dielectric constant \(\varepsilon_r\).  What is the effect on the capacitance ?
-\paragraph{Solution:}  field confined between plates, and reduced by factor \(1/\varepsilon_r\).
-Potential difference \(V\) also reduced by same factor.  Since \(Q = C/V\), capacitance
-is increased by factor of \(\varepsilon_r\), so
-\[
-    C = \varepsilon_r C_{vac}
-    \label{Gr(4.37)}
-  \]
-</p>
-
-</div>
-</div>
-</div>
-
-
-
-<div id="outline-container-emsm_esm_di_ld_bvp" class="outline-6">
-<h6 id="emsm_esm_di_ld_bvp"><a href="#emsm_esm_di_ld_bvp">Boundary Value Problems with Linear Dielectrics</a></h6>
-<div class="outline-text-6" id="text-emsm_esm_di_ld_bvp">
-<p>
-In homogeneous linear dielectric:
-\[
-\rho_b = -{\boldsymbol \nabla} \cdot {\bf P} = - {\boldsymbol \nabla} \cdot \left(\varepsilon_0 \frac{\chi_e}{\varepsilon} {\bf D}\right)
-= -\left( \frac{\chi_e}{1 + \chi_e} \right) \rho_f
-\label{Gr(4.39)}
-\]
-If \(\rho = 0\), any net charge is on surface, potential then obeys Laplace.
-</p>
-
-<p>
-Convenient to rewrite boundary conditions in terms of free charge:  from \ref{Gr(4.26)},
-</p>
-<div class="main div" id="org534154f">
-<p>
-\[
-    \varepsilon_{above} E^{\perp}_{above} - \varepsilon_{below} E^{\perp}_{below} = \sigma_f
-    \label{Gr(4.40)}
-  \]
-</p>
-
-</div>
-<p>
-or in terms of the potential,
-</p>
-<div class="main div" id="orgce8bba1">
-<p>
-\[
-    \varepsilon_{above} \frac{\partial V_{above}}{\partial n} -
-    \varepsilon_{below} \frac{\partial V_{below}}{\partial n} = -\sigma_f
-    \label{Gr(4.41)}
-  \]
-</p>
-
-</div>
-<p>
-Potential itself is continuous,
-</p>
-<div class="main div" id="orgc3f3f8a">
-<p>
-\[
-    V_{above} = V_{below}
-    \label{Gr(4.42)}
-  \]
-</p>
-
-</div>
-
-
-
-<div class="example div" id="orga7c350b">
-<p>
-\paragraph{Example 4.7:}  sphere of homogeneous dielectric material in uniform electric field \({\bf E}_0\).
-Find electric field inside sphere.
-\paragraph{Solution:}  resembles Example 3.8 (conducting sphere), here cancellation is not total.
-</p>
-
-<p>
-Need to solve Laplace's equation for \(V(r, \theta)\) with boundary conditions
-</p>
-\begin{align}
-  &amp;(i)~~V_{in} (R,\theta) = V_{out} (R, \theta), \nonumber \\
-  &amp;(ii)~~\varepsilon \frac{\partial V_{in} (R,\theta)}{\partial n}
-  = \varepsilon_0 \frac{\partial V_{out} (R,\theta)}{\partial n}, \nonumber \\
-  &amp;(iii)~~V_{out} (r) \rightarrow -E_0 r \cos \theta, ~~r \gg R.
-\end{align}
-<p>
-Inside and outside sphere:
-\[
-    V_{in} (r,\theta) = \sum_{l=0}^\infty A_l r^l P_l (\cos \theta), \hspace{1cm}
-    V_{out} (r,\theta) = -E_0 r \cos \theta + \sum_{l=0}^\infty \frac{B_l}{r^{l+1}} P_l (\cos \theta).
-  \]
-Boundary condition \((i)\) imposes
-\[
-    \sum_{l=0}^\infty A_l R^l P_l(\cos \theta) = -E_0 R \cos \theta + \sum_{l=0}^\infty \frac{B_l}{R^{l+1}} P_l (\cos \theta)
-  \]
-so
-\[
-    A_l R^l = \frac{B_l}{R^{l+1}}, ~~ l \neq 1, \hspace{1cm}
-    A_1 R = -E_0 R + \frac{B_1}{R^2}.
-  \]
-Boundary condition \((ii)\):
-\[
-    \varepsilon_r \sum_{l=0}^\infty l A_l R^{l-1} P_l (\cos \theta) = - E_0 \cos \theta - \sum_{l=0}^\infty \frac{(l+1)B_l}{R^{l+2}} P_l (\cos \theta)
-  \]
-so
-\[
-    \varepsilon_r l A_l R^{l-1} = -\frac{(l+1)B_l}{R^{l+2}}, ~~ l \neq 1, \hspace{1cm}
-    \varepsilon_r A_1 = -E_0 - \frac{2B_1}{R^3}.
-  \]
-We then have
-\[
-    A_l = 0 = B_l, ~~ l \neq 1, \hspace{1cm}
-    A_l = -\frac{3}{\varepsilon_r + 2} E_0, ~~ B_1 = \frac{\varepsilon_r - 1}{\varepsilon_r + 2} R^3 E_0.
-  \]
-Thus,
-\[
-    V_{in} (r, \theta) = -\frac{3E_0}{\varepsilon_r + 2} r \cos \theta = -\frac{3E_0}{\varepsilon_r + 2} z,
-    \hspace{1cm}
-           {\bf E} = \frac{3}{\varepsilon_r + 2} {\bf E}_0.
-  \]
-</p>
-
-</div>
-
-
-
-
-<div class="example div" id="org2cd48ac">
-<p>
-\paragraph{Example 4.8:}  suppose region below \(z = 0\) is filled with uniform linear dielectric with susceptibility \(\chi_e\).
-Calculate force on point charge \(q\) situated a distance \(d\) above origin.
-\paragraph{Solution:}  bound surface charge is of opposite sign, force is attractive.  No bound volume charge
-because of \ref{Gr(4.39)}.  Using \ref{Gr(4.11)} and \ref{Gr(4.30)},
-\[
-    \sigma_b = {\bf P} \cdot \hat{\bf n} = P_z = \varepsilon_0 \chi_e E_z
-  \]
-where \(E_z\) is the z-component of total field just below surface of dielectric (due to \(q\) and to bound charge).
-Contribution from charge \(q\) from Coulomb (careful: \(\theta\) is $π$-rotated as compared to spherical coord so \(\theta = 0\) represents \(-\hat{z}\))
-\[
-    -\frac{1}{4\pi\varepsilon_0} \frac{q}{r^2 + d^2} \cos \theta = -\frac{1}{4\pi\varepsilon_0} \frac{qd}{(r^2 + d^2)^{3/2}}, \hspace{1cm}
-    r = \sqrt{x^2 + y^2}.
-  \]
-$z$-component of field from bound charge:  \(-\sigma_b/2\varepsilon_0\), so
-\[
-    \sigma_b = \varepsilon_0 \chi_e \left[ -\frac{1}{4\pi\varepsilon_0} \frac{qd}{(r^2 + d^2)^{3/2}} - \frac{\sigma_b}{2\varepsilon_0} \right],
-  \]
-so
-\[
-    \sigma_b = -\frac{1}{2\pi} \left(\frac{\chi_e}{\chi_e + 2}\right) \frac{qd}{(r^2 + d^2)^{3/2}}.
-    \label{Gr(4.50)}
-  \]
-As per conducting plane, except for factor \(\chi_e/(\chi_e + 2)\).  Total bound charge:
-\[
-    q_b = -\left(\frac{\chi_e}{\chi_e + 2}\right) q.
-  \]
-Field:  by direct integration, or more nicely by method of images:  replace dielectric by single point charge
-\(q_b\) at \((0,0,-d)\):
-\[
-    V (x,y,z&gt;0) = \frac{1}{4\pi\varepsilon_0} \left[ \frac{q}{\sqrt{x^2 + y^2 + (z-d)^2}} + \frac{q_b}{\sqrt{x^2 + y^2 + (z+d)^2}}\right]
-  \]
-A charge \(q + q_b\) at \((0,0,d)\) gives
-\[
-    V (x,y,z&lt;0) = \frac{1}{4\pi\varepsilon_0} \left[ \frac{q + q_b}{\sqrt{x^2 + y^2 + (z-d)^2}}\right]
-  \]
-Putting these two together yields a solution to Poisson going to zero at infinity, and is therefore the unique solution.
-Correct discontinuity at \(z = 0\):
-\[
-    -\varepsilon_0 \left( \frac{\partial V}{\partial z}|_{z = 0^+} - \frac{\partial V}{\partial z}|_{z = 0^-} \right)
-    =  -\frac{1}{2\pi} \left(\frac{\chi_e}{\chi_e + 2}\right) \frac{qd}{(r^2 + d^2)^{3/2}}.
-  \]
-Force on \(q\):
-\[
-    {\bf F} = \frac{1}{4\pi\varepsilon_0} \frac{q q_b}{4d^2} \hat{\bf z} = -\frac{1}{4\pi\varepsilon_0} \left(
-    \frac{\chi_e}{\chi_e + 2} \right) \frac{q^2}{4d^2} \hat{\bf z}
-    \label{Gr(4.54)}
-  \]
-</p>
-
-</div>
-</div>
-</div>
-
-<div id="outline-container-emsm_esm_di_ld_e" class="outline-6">
-<h6 id="emsm_esm_di_ld_e"><a href="#emsm_esm_di_ld_e">Energy in Dielectric Systems</a></h6>
-<div class="outline-text-6" id="text-emsm_esm_di_ld_e">
-<p>
-To charge a capacitor:
-\[
-W = \frac{1}{2} C V^2
-\]
-If capacitor filled with linear isotropic dielectric (Ex. 4.6):
-\[
-C = \varepsilon_r C_{vac}
-\]
-From Chap. 2:
-\[
-W = \frac{\varepsilon_0}{2} \int d\tau E^2
-\]
-How is this changed ?  Counting only energy in fields:  should decrease by
-factor \(1/\varepsilon_r^2\).  However, this would neglect the {\bf strain energy}
-associated to the distortion of the polarized constituents of the dielectric medium.
-</p>
-
-<p>
-Derivation from scratch:  bring in free charge:  \(\rho_f\) increased by \(\Delta \rho_f\), polarization changes
-(also bound charge distribution).  Work done on free charges (only that matters):
-\[
-\Delta W = \int d\tau (\Delta \rho_f ({\bf r})) V ({\bf r}).
-\label{Gr(4.56)}
-\]
-But \(\rho_f = {\boldsymbol \nabla} \cdot {\bf D}\) so \(\Delta \rho_f = {\boldsymbol \nabla} \cdot (\Delta {\bf D})\), so
-\[
-\Delta W = \int d\tau ({\boldsymbol \nabla} \cdot (\Delta {\bf D})) V
-= \int d\tau {\boldsymbol \nabla} \cdot ((\Delta {\bf D}) V) + \int d\tau (\Delta {\bf D}) \cdot {\bf E}
-\]
-First integral:  divergence theorem changes it to a surface integral which vanishes when integrating over all space.
-Therefore,
-\[
-\Delta W = \int d\tau (\Delta {\bf D}) \cdot {\bf E}
-\label{Gr(4.57)}
-\]
-This applies to any material.
-</p>
-
-<p>
-Special case of linear isotropic dielectric:  \({\bf D} = \varepsilon {\bf E}\), so
-\[
-\Delta W = \Delta \left( \frac{1}{2} \int d\tau {\bf D} \cdot {\bf E} \right)
-\]
-Total work done:
-</p>
-<div class="main div" id="org9699879">
-<p>
-\[
-    W = \frac{1}{2} \int d\tau {\bf D} \cdot {\bf E}
-    \label{Gr(4.58)}
-  \]
-</p>
-
-</div>
-</div>
-</div>
-
-
-<div id="outline-container-emsm_esm_di_ld_f" class="outline-6">
-<h6 id="emsm_esm_di_ld_f"><a href="#emsm_esm_di_ld_f">Forces on Dielectrics</a></h6>
-<div class="outline-text-6" id="text-emsm_esm_di_ld_f">
-<p>
-As for a conductor:  a dielectric is attracted into an electric field.  Calculations can be
-complicated:  parallel plate capacitor with partially inserted dielectric:  force comes
-from {\bf fringing field} around edges.
-</p>
-
-<p>
-Better:  reason from energy.  Pull dielectric out by \(dx\).  Energy change equal to work done:
-\[
-dW = F_{me} dx
-\label{Gr(4.59)}
-\]
-where \(F_{me}\) is mechanical force exerted by external agent.  \(F_{me} = -F\), where \(F\) is
-electrical force on dielectric.  Electrical force on slab:
-\[
-F = -\frac{dW}{dx}
-\label{Gr(4.60)}
-\]
-Energy stored in capacitor:
-\[
-W = \frac{1}{2} C V^2
-\label{Gr(4.61)}
-\]
-Capacitance in configuration considered:
-\[
-C = \frac{\varepsilon_0 w}{d} (\varepsilon_r l - \chi_e x)
-\label{Gr(4.62)}
-\]
-where \(l\) is the length of the plates, and \(w\) is their width.  Assume total charge \(Q\) on each
-plate is held constant as \(x\) changes.  In terms of \(Q\),
-\[
-W = \frac{1}{2} \frac{Q^2}{C}
-\label{Gr(4.63)}
-\]
-so
-\[
-F = -\frac{dW}{dx} = \frac{1}{2} \frac{Q^2}{C^2} \frac{dC}{dx} = \frac{1}{2} V^2 \frac{dC}{dx}.
-\label{Gr(4.64)}
-\]
-But
-\[
-\frac{dC}{dx} = -\frac{\varepsilon_0 \chi_e w}{d}
-\]
-so
-\[
-F = -\frac{\varepsilon_0 \chi_e w}{2d} V^2.
-\label{Gr(4.65)}
-\]
-</p>
-
-<p>
-Common mistake:  to use \ref{Gr(4.61)} (for \(V\) constant) instead of \ref{Gr(4.63)}
-(for \(Q\) constant) in computing the force.  In this case, sign is reversed,
-\[
-F = -\frac{1}{2} V^2 \frac{dC}{dx}.
-\]
-Here, the battery also does work, so
-\[
-dW = F_{me} dx + V dQ
-\label{Gr(4.66)}
-\]
-and
-\[
-F = -\frac{dW}{dx} + V \frac{dQ}{dx} = -\frac{1}{2} V^2 \frac{dC}{dx} + V^2 \frac{dC}{dx} = \frac{1}{2} V^2 \frac{dC}{dx}
-\label{Gr(4.67)}
-\]
-so like before but with the correct sign.
-</p>
-</div>
-</div>
-</div>
-
-
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li><li>Next:&nbsp;<a href="emsm_msm.html">Magnetostatics in matter&emsp;<small>[emsm.msm]</small></a></li><li>Up:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li></ul>
-<br>
-<hr>
-<div class="license">
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank" class="m-2">
-<img alt="Creative Commons License" style="border-width:0"
-src="https://licensebuttons.net/l/by/4.0/80x15.png"/>
-</a>
-Except where otherwise noted, all content is licensed under a
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank">Creative Commons Attribution 4.0 International License</a>.
-</div>
-<div id="postamble" class="status">
-<p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
-<p class="validation"></p>
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-Table of contents
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-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./in.html#in">Introduction</a><span class="headline-id">in</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./in_p.html#in_p">Preface</a><span class="headline-id">in.p</span>
-
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./in_t.html#in_t">Tips for the reader</a><span class="headline-id">in.t</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./in_t_l.html#in_t_l">Section and equation labelling</a><span class="headline-id">in.t.l</span>
-
-</li>
-<li>
-<a href="./in_t_c.html#in_t_c">Contextual colors</a><span class="headline-id">in.t.c</span>
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-</li>
-
-</ul>
-</details>
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems.html#ems">Electromagnetostatics</a><span class="headline-id">ems</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es.html#ems_es">Electrostatics</a><span class="headline-id">ems.es</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ec.html#ems_es_ec">Electric Charge</a><span class="headline-id">ems.es.ec</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ec_b.html#ems_es_ec_b">Basics</a><span class="headline-id">ems.es.ec.b</span>
-
-</li>
-<li>
-<a href="./ems_es_ec_c.html#ems_es_ec_c">Conservation</a><span class="headline-id">ems.es.ec.c</span>
-
-</li>
-<li>
-<a href="./ems_es_ec_q.html#ems_es_ec_q">Quantization</a><span class="headline-id">ems.es.ec.q</span>
-
-</li>
-<li>
-<a href="./ems_es_ec_s.html#ems_es_ec_s">Structure</a><span class="headline-id">ems.es.ec.s</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_efo.html#ems_es_efo">Electric Force and Energy</a><span class="headline-id">ems.es.efo</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_efo_cl.html#ems_es_efo_cl">Coulomb's Law</a><span class="headline-id">ems.es.efo.cl</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_ps.html#ems_es_efo_ps">Principle of Superposition</a><span class="headline-id">ems.es.efo.ps</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_exp.html#ems_es_efo_exp">Experimental Investigations</a><span class="headline-id">ems.es.efo.exp</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_e.html#ems_es_efo_e">Energy in Systems of Point Charges</a><span class="headline-id">ems.es.efo.e</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ef.html#ems_es_ef">Electrostatic Fields</a><span class="headline-id">ems.es.ef</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ef_pc.html#ems_es_ef_pc">Electrostatic Field of Point Charges</a><span class="headline-id">ems.es.ef.pc</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_ccd.html#ems_es_ef_ccd">Electrostatic Field of Continuous Charge Distributions</a><span class="headline-id">ems.es.ef.ccd</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_cE.html#ems_es_ef_cE">The Curl of \({\bf E}\)</a><span class="headline-id">ems.es.ef.cE</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_Gl.html#ems_es_ef_Gl">Gauss's Law: the divergence of \({\bf E}\)</a><span class="headline-id">ems.es.ef.Gl</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ep.html#ems_es_ep">The Electrostatic Potential</a><span class="headline-id">ems.es.ep</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ep_d.html#ems_es_ep_d">Definition</a><span class="headline-id">ems.es.ep.d</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_fp.html#ems_es_ep_fp">Field in terms of the potential</a><span class="headline-id">ems.es.ep.fp</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_ex.html#ems_es_ep_ex">Example calculations for the potential</a><span class="headline-id">ems.es.ep.ex</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_PL.html#ems_es_ep_PL">Poisson's and Laplace's Equations</a><span class="headline-id">ems.es.ep.PL</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_bc.html#ems_es_ep_bc">Electrostatic Boundary Conditions</a><span class="headline-id">ems.es.ep.bc</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-<a href="./ems_es_e.html#ems_es_e">Electrostatic Energy from the Potential</a><span class="headline-id">ems.es.e</span>
-
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_c.html#ems_es_c">Conductors</a><span class="headline-id">ems.es.c</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_c_p.html#ems_es_c_p">Properties</a><span class="headline-id">ems.es.c.p</span>
-
-</li>
-<li>
-<a href="./ems_es_c_ic.html#ems_es_c_ic">Induced Charges</a><span class="headline-id">ems.es.c.ic</span>
-
-</li>
-<li>
-<a href="./ems_es_c_sc.html#ems_es_c_sc">Surface Charge and the Force on a Conductor</a><span class="headline-id">ems.es.c.sc</span>
-
-</li>
-<li>
-<a href="./ems_es_c_cap.html#ems_es_c_cap">Capacitors</a><span class="headline-id">ems.es.c.cap</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca.html#ems_ca">Calculating or Approximating the Electrostatic Potential</a><span class="headline-id">ems.ca</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_fe.html#ems_ca_fe">Fundamental Equations for the Electrostatic Potential</a><span class="headline-id">ems.ca.fe</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_fe_L.html#ems_ca_fe_L">The Laplace Equation</a><span class="headline-id">ems.ca.fe.L</span>
-
-</li>
-<li>
-<a href="./ems_ca_fe_g.html#ems_ca_fe_g">Green's Identities</a><span class="headline-id">ems.ca.fe.g</span>
-
-</li>
-<li>
-<a href="./ems_ca_fe_uP.html#ems_ca_fe_uP">Uniqueness of Solution to Poisson's Equation</a><span class="headline-id">ems.ca.fe.uP</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_mi.html#ems_ca_mi">The Method of Images</a><span class="headline-id">ems.ca.mi</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_mi_isc.html#ems_ca_mi_isc">Induced Surface Charges</a><span class="headline-id">ems.ca.mi.isc</span>
-
-</li>
-<li>
-<a href="./ems_ca_mi_fe.html#ems_ca_mi_fe">Force and Energy</a><span class="headline-id">ems.ca.mi.fe</span>
-
-</li>
-<li>
-<a href="./ems_ca_mi_o.html#ems_ca_mi_o">Other Image Problems</a><span class="headline-id">ems.ca.mi.o</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_sv.html#ems_ca_sv">Separation of Variables</a><span class="headline-id">ems.ca.sv</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_sv_car.html#ems_ca_sv_car">Cartesian Coordinates</a><span class="headline-id">ems.ca.sv.car</span>
-
-</li>
-<li>
-<a href="./ems_ca_sv_cyl.html#ems_ca_sv_cyl">Cylindrical Coordinates</a><span class="headline-id">ems.ca.sv.cyl</span>
-
-</li>
-<li>
-<a href="./ems_ca_sv_sph.html#ems_ca_sv_sph">Spherical Coordinates</a><span class="headline-id">ems.ca.sv.sph</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_me.html#ems_ca_me">The Multipole Expansion</a><span class="headline-id">ems.ca.me</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_me_a.html#ems_ca_me_a">Approximate Potential at Large Distance</a><span class="headline-id">ems.ca.me.a</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_md.html#ems_ca_me_md">Monopole and Dipole Terms</a><span class="headline-id">ems.ca.me.md</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_h.html#ems_ca_me_h">Higher Moments</a><span class="headline-id">ems.ca.me.h</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_Ed.html#ems_ca_me_Ed">The Electric Field of a Dipole</a><span class="headline-id">ems.ca.me.Ed</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_Eq.html#ems_ca_me_Eq">The Electric Field of a Quadrupole</a><span class="headline-id">ems.ca.me.Eq</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ms.html#ems_ms">Magnetostatics</a><span class="headline-id">ems.ms</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ms_lf.html#ems_ms_lf">Charges in Motion: the Lorentz Force Law</a><span class="headline-id">ems.ms.lf</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ms_lf_pc.html#ems_ms_lf_pc">Point Charges</a><span class="headline-id">ems.ms.lf.pc</span>
-
-</li>
-<li>
-<a href="./ems_ms_lf_sc.html#ems_ms_lf_sc">Steady Currents</a><span class="headline-id">ems.ms.lf.sc</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-<a href="./ems_ms_ce.html#ems_ms_ce">Charge Conservation and the Continuity Equation</a><span class="headline-id">ems.ms.ce</span>
-
-</li>
-<li>
-<a href="./ems_ms_BS.html#ems_ms_BS">Steady Currents: the Biot-Savart Law</a><span class="headline-id">ems.ms.BS</span>
-
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ms_dcB.html#ems_ms_dcB">Divergence and Curl of \({\bf B}\)</a><span class="headline-id">ems.ms.dcB</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ms_dcB_iw.html#ems_ms_dcB_iw">Simplistic case: infinite wire</a><span class="headline-id">ems.ms.dcB.iw</span>
-
-</li>
-<li>
-<a href="./ems_ms_dcB_d.html#ems_ms_dcB_d">Divergence of \({\bf B}\) from Biot-Savart</a><span class="headline-id">ems.ms.dcB.d</span>
-
-</li>
-<li>
-<a href="./ems_ms_dcB_c.html#ems_ms_dcB_c">Curl of \({\bf B}\) from Biot-Savart; Ampère's Law</a><span class="headline-id">ems.ms.dcB.c</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ms_vp.html#ems_ms_vp">The Vector Potential</a><span class="headline-id">ems.ms.vp</span>
-
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-</summary>
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-<a href="./ems_ms_vp_A.html#ems_ms_vp_A">Definition; Gauge Choices</a><span class="headline-id">ems.ms.vp.A</span>
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-<a href="./ems_ms_vp_mbc.html#ems_ms_vp_mbc">Magnetic Boundary Conditions</a><span class="headline-id">ems.ms.vp.mbc</span>
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-<li>
-<a href="./ems_ms_vp_me.html#ems_ms_vp_me">Multipole Expansion of the Vector Potential</a><span class="headline-id">ems.ms.vp.me</span>
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-<a href="./ems_ms_vp_comp.html#ems_ms_vp_comp">Comparison of Electrostatics and Magnetostatics</a><span class="headline-id">ems.ms.vp.comp</span>
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-<a href="./ems_ms_vp_LC.html#ems_ms_vp_LC">The Levi-Civita Symbol</a><span class="headline-id">ems.ms.vp.LC</span>
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-<a href="./emsm.html#emsm">Electromagnetostatics in matter</a><span class="headline-id">emsm</span>
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-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
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-<a href="./emsm_esm_D.html#emsm_esm_D">The Electric Displacement</a><span class="headline-id">emsm.esm.D</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
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-<a href="./emsm_msm.html#emsm_msm">Magnetostatics in matter</a><span class="headline-id">emsm.msm</span>
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-<a href="./emsm_msm_m.html#emsm_msm_m">Magnetization</a><span class="headline-id">emsm.msm.m</span>
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-<a href="./emsm_msm_m_dpf.html#emsm_msm_m_dpf">Diamagnetism, Paramagnetism, Ferromagnetism</a><span class="headline-id">emsm.msm.m.dpf</span>
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-<a href="./emsm_msm_m_fdi.html#emsm_msm_m_fdi">Torques and Forces on Magnetic Dipoles</a><span class="headline-id">emsm.msm.m.fdi</span>
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-<a href="./emsm_msm_a.html#emsm_msm_a">Effect of Magnetic Field on Atomic Orbits</a><span class="headline-id">emsm.msm.a</span>
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-<a href="./emsm_msm_fmo.html#emsm_msm_fmo">The Field of a Magnetized Object</a><span class="headline-id">emsm.msm.fmo</span>
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-<a href="./emsm_msm_fmo_bc.html#emsm_msm_fmo_bc">Bound Currents</a><span class="headline-id">emsm.msm.fmo.bc</span>
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-<a href="./emsm_msm_fmo_fim.html#emsm_msm_fmo_fim">The Magnetic Field Inside Matter</a><span class="headline-id">emsm.msm.fmo.fim</span>
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-<a href="./emsm_msm_H.html#emsm_msm_H">The H Field</a><span class="headline-id">emsm.msm.H</span>
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-<a href="./emsm_msm_H_A.html#emsm_msm_H_A">Ampère's Law in Magnetized Materials</a><span class="headline-id">emsm.msm.H.A</span>
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-<a href="./emsm_msm_lnlm.html#emsm_msm_lnlm">Linear and Nonlinear Media</a><span class="headline-id">emsm.msm.lnlm</span>
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-<a href="./emsm_msm_lnlm_sp.html#emsm_msm_lnlm_sp">Magnetic Susceptibility and Permeability</a><span class="headline-id">emsm.msm.lnlm.sp</span>
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-<a href="./emsm_msm_lnlm_fm.html#emsm_msm_lnlm_fm">Ferromagnetism</a><span class="headline-id">emsm.msm.lnlm.fm</span>
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-<a href="./emd.html#emd">Electromagnetodynamics</a><span class="headline-id">emd</span>
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-<a href="./emd_Fl.html#emd_Fl">Induction: Faraday's Law</a><span class="headline-id">emd.Fl</span>
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-<a href="./emd_Fl_Fl.html#emd_Fl_Fl">Faraday's Law</a><span class="headline-id">emd.Fl.Fl</span>
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-<a href="./emd_Fl_ief.html#emd_Fl_ief">The Induced Electric Field</a><span class="headline-id">emd.Fl.ief</span>
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-<a href="./emd_Fl_i.html#emd_Fl_i">Inductance</a><span class="headline-id">emd.Fl.i</span>
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-<a href="./emd_Fl_e.html#emd_Fl_e">Energy in Magnetic Fields</a><span class="headline-id">emd.Fl.e</span>
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-<a href="./emd_Me.html#emd_Me">Maxwell's Equations</a><span class="headline-id">emd.Me</span>
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-<a href="./emd_Me_ebM.html#emd_Me_ebM">Electrodynamics Before Maxwell</a><span class="headline-id">emd.Me.ebM</span>
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-<li>
-<a href="./emd_Me_dc.html#emd_Me_dc">Maxwell's Correction to Ampère's Law; the Displacement Current</a><span class="headline-id">emd.Me.dc</span>
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-<li>
-<a href="./emd_Me_Me.html#emd_Me_Me">Maxwell's Equations</a><span class="headline-id">emd.Me.Me</span>
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-<li>
-<a href="./emd_Me_mc.html#emd_Me_mc">Magnetic Charge</a><span class="headline-id">emd.Me.mc</span>
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-<a href="./emd_ce.html#emd_ce">Charge and Energy Flows</a><span class="headline-id">emd.ce</span>
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-<li>
-<a href="./emd_ce_ce.html#emd_ce_ce">The Continuity Equation</a><span class="headline-id">emd.ce.ce</span>
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-<li>
-<a href="./emd_ce_poy.html#emd_ce_poy">Poynting's Theorem; the Poynting Vector</a><span class="headline-id">emd.ce.poy</span>
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-<li>
-<a href="./emd_ce_mst.html#emd_ce_mst">Maxwell's Stress Tensor</a><span class="headline-id">emd.ce.mst</span>
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-<a href="./emd_ce_mom.html#emd_ce_mom">Momentum</a><span class="headline-id">emd.ce.mom</span>
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-<li>
-<a href="./emd_ce_amom.html#emd_ce_amom">Angular Momentum</a><span class="headline-id">emd.ce.amom</span>
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-<a href="./emd_emw.html#emd_emw">Electromagnetic waves in vacuum</a><span class="headline-id">emd.emw</span>
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-<a href="./emd_emw_we.html#emd_emw_we">The Wave Equation</a><span class="headline-id">emd.emw.we</span>
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-<a href="./emd_emw_mpw.html#emd_emw_mpw">Monochromatic Plane Waves</a><span class="headline-id">emd.emw.mpw</span>
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-<a href="./emd_emw_ep.html#emd_emw_ep">Energy and Momentum</a><span class="headline-id">emd.emw.ep</span>
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-<a href="./emdm.html#emdm">Electromagnetodynamics in Matter</a><span class="headline-id">emdm</span>
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-<a href="./emdm_Me.html#emdm_Me">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me</span>
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-<li>
-<a href="./emdm_Me_Mem.html#emdm_Me_Mem">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me.Mem</span>
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-<a href="./emdm_Me_bc.html#emdm_Me_bc">Boundary Conditions</a><span class="headline-id">emdm.Me.bc</span>
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-<a href="./emdm_emwm.html#emdm_emwm">Electromagnetic Waves in Matter</a><span class="headline-id">emdm.emwm</span>
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-<a href="./emdm_emwm_plm.html#emdm_emwm_plm">Propagation in Linear Media</a><span class="headline-id">emdm.emwm.plm</span>
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-<a href="./emdm_emwm_refr.html#emdm_emwm_refr">Refraction</a><span class="headline-id">emdm.emwm.refr</span>
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-<a href="./emdm_emwm_refl.html#emdm_emwm_refl">Reflection and Transmission</a><span class="headline-id">emdm.emwm.refl</span>
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-<a href="./emdm_emwm_refl_ni.html#emdm_emwm_refl_ni">Normal Incidence</a><span class="headline-id">emdm.emwm.refl.ni</span>
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-<a href="./emdm_emwm_refl_oi.html#emdm_emwm_refl_oi">Oblique Incidence</a><span class="headline-id">emdm.emwm.refl.oi</span>
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-<a href="./emdm_emwm_refl_Fe.html#emdm_emwm_refl_Fe">Fresnel's Equations</a><span class="headline-id">emdm.emwm.refl.Fe</span>
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-<a href="./emdm_emwm_refl_Ba.html#emdm_emwm_refl_Ba">Brewster's Angle</a><span class="headline-id">emdm.emwm.refl.Ba</span>
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-<a href="./emdm_emwm_ad_c.html#emdm_emwm_ad_c">EM Waves in Conductors</a><span class="headline-id">emdm.emwm.ad.c</span>
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-<a href="./emdm_emwm_wg.html#emdm_emwm_wg">Waveguides</a><span class="headline-id">emdm.emwm.wg</span>
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-<a href="./emdm_emwm_wg_gw.html#emdm_emwm_wg_gw">Guided waves</a><span class="headline-id">emdm.emwm.wg.gw</span>
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-<a href="./emdm_emwm_wg_r.html#emdm_emwm_wg_r">Rectangular Waveguides</a><span class="headline-id">emdm.emwm.wg.r</span>
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-<a href="./emdm_emwm_wg_c.html#emdm_emwm_wg_c">Coaxial Lines</a><span class="headline-id">emdm.emwm.wg.c</span>
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-</ul>
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-</ul>
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-<a href="./emf.html#emf">Electromagnetic Fields</a><span class="headline-id">emf</span>
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-<a href="./emf_svp.html#emf_svp">Scalar and Vector Potentials</a><span class="headline-id">emf.svp</span>
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-<a href="./emf_g.html#emf_g">Gauge Freedom and Choices</a><span class="headline-id">emf.g</span>
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-<a href="./emf_g_Cg.html#emf_g_Cg">Coulomb Gauge</a><span class="headline-id">emf.g.Cg</span>
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-<a href="./emf_g_Lg.html#emf_g_Lg">Lorenz Gauge; d'Alembertian; Inhomogeneous Maxwell Equations</a><span class="headline-id">emf.g.Lg</span>
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-<a href="./red.html#red">Relativistic Electrodynamics</a><span class="headline-id">red</span>
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-<a href="./red_sr.html#red_sr">Special Relativity</a><span class="headline-id">red.sr</span>
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-<a href="./red_sr_p.html#red_sr_p">Postulates and their consequences</a><span class="headline-id">red.sr.p</span>
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-<a href="./red_sr_Lt.html#red_sr_Lt">Lorentz Transformations</a><span class="headline-id">red.sr.Lt</span>
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-<a href="./red_sr_4v.html#red_sr_4v">Covariant and Contravariant Four-Vectors</a><span class="headline-id">red.sr.4v</span>
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-<a href="./red_rm.html#red_rm">Relativistic Mechanics</a><span class="headline-id">red.rm</span>
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-<li>
-<a href="./red_rm_pt.html#red_rm_pt">Proper Time and Proper Velocity</a><span class="headline-id">red.rm.pt</span>
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-<a href="./red_rm_rme.html#red_rm_rme">Relativistic Momentum and Energy</a><span class="headline-id">red.rm.rme</span>
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-<li>
-<a href="./red_rm_Mf.html#red_rm_Mf">Relativistic version of Newton's Laws; the Minkowski Force</a><span class="headline-id">red.rm.Mf</span>
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-<a href="./red_rem.html#red_rem">Relativistic Electromagnetism</a><span class="headline-id">red.rem</span>
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-<li>
-<a href="./red_rem_mre.html#red_rem_mre">Magnetism as a Relativistic Effect</a><span class="headline-id">red.rem.mre</span>
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-<li>
-<a href="./red_rem_Ltf.html#red_rem_Ltf">Lorentz Transformation of Electromagnetic Fields</a><span class="headline-id">red.rem.Ltf</span>
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-<li>
-<a href="./red_rem_Fmunu.html#red_rem_Fmunu">The Field Tensor</a><span class="headline-id">red.rem.Fmunu</span>
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-<a href="./red_rem_Me.html#red_rem_Me">Maxwell's Equations in Relativistic Notation</a><span class="headline-id">red.rem.Me</span>
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-<a href="./qed.html#qed">Quantum Electrodynamics</a><span class="headline-id">qed</span>
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-<a href="./qed_t.html#qed_t">QED today</a><span class="headline-id">qed.t</span>
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-<a href="./d_m.html#d_m">Diagnostics: Mathematical Preliminaries</a><span class="headline-id">d.m</span>
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-<a href="./d_ems.html#d_ems">Diagnostics: Electromagnetostatics</a><span class="headline-id">d.ems</span>
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-<a href="./d_ems_ca.html#d_ems_ca">Diagnostics: Calculating or Approximating the Electostatic Potential</a><span class="headline-id">d.ems.ca</span>
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-<a href="./d_emsm.html#d_emsm">Diagnostics: Electromagnetostatics in Matter</a><span class="headline-id">d.emsm</span>
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-<a href="./d_ems_ms.html#d_ems_ms">Diagnostics: Magnetostatics</a><span class="headline-id">d.ems.ms</span>
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-<a href="./d_emsm_msm.html#d_emsm_msm">Diagnostics: Magnetostatics in Matter</a><span class="headline-id">d.emsm.msm</span>
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-<a href="./d_emd.html#d_emd">Diagnostics: Electromagnetodynamics</a><span class="headline-id">d.emd</span>
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-<a href="./d_emd_ce.html#d_emd_ce">Diagnostics: Conservation Laws</a><span class="headline-id">d.emd.ce</span>
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-<a href="./d_emd_emw.html#d_emd_emw">Diagnostics: Electromagnetic Waves</a><span class="headline-id">d.emd.emw</span>
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-<a href="./d_emf.html#d_emf">Diagnostics: Potentials, Gauges and Fields</a><span class="headline-id">d.emf</span>
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-<a href="./d_red.html#d_red">Diagnostics: Relativistic Electrodynamics</a><span class="headline-id">d.red</span>
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-<a href="./c_m_dd_1d.html#c_m_dd_1d">The One-Dimensional Dirac Delta Function</a><span class="headline-id">c.m.dd.1d</span>
-
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-<a href="./c_m_dd_3d.html#c_m_dd_3d">The Three-Dimensional Delta Function</a><span class="headline-id">c.m.dd.3d</span>
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-<a href="./c_m_vf.html#c_m_vf">Vector Fields</a><span class="headline-id">c.m.vf</span>
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-<ul>
-<li>
-<a href="./c_m_vf_helm.html#c_m_vf_helm">The Helmholtz Theorem</a><span class="headline-id">c.m.vf.helm</span>
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-<a href="./c_m_vf_pot.html#c_m_vf_pot">Potentials</a><span class="headline-id">c.m.vf.pot</span>
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-<details>
-<summary>
-<a href="./c_m_uf.html#c_m_uf">Useful Formulas</a><span class="headline-id">c.m.uf</span>
-
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-</summary>
-<ul>
-<li>
-<a href="./c_m_uf_cyl.html#c_m_uf_cyl">Cylindrical coordinates</a><span class="headline-id">c.m.uf.cyl</span>
-
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-<a href="./c_m_uf_sph.html#c_m_uf_sph">Spherical coordinates</a><span class="headline-id">c.m.uf.sph</span>
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-<a href="./c_m_uf_vi.html#c_m_uf_vi">Vector identities</a><span class="headline-id">c.m.uf.vi</span>
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-</nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li>The Field of a Polarized Object</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_fpo_pibc.html">Physical Interpretation of Bound Charges&emsp;<small>[emsm.esm.fpo.pibc]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
-<h4 id="emsm_esm_fpo">The Field of a Polarized Object<a class="headline-permalink" href="./emsm_esm_fpo.html#emsm_esm_fpo"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
-  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
-  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
-</svg></a><span class="headline-id">emsm.esm.fpo</span></h4>
-
-<div class="outline-text-4" id="text-emsm_esm_fpo">
-<p>
-For a macroscopic moment:  local induced/permanent dipole moments tend to somewhat cancel each other, leaving a residual
-polarization.  Convenient measure:
-\[
-{\bf P} \equiv ~\mbox{dipole moment per unit volume}
-\]
-called the {\bf polarization}.
-What is the electric field produced by an object with polarization \({\bf P}\) ?  Work with the potential.
-For a single dipole, \ref{eq:electric_dipole}:
-\[
-V({\bf r}) = \frac{1}{4\pi \varepsilon_0} \frac{({\bf r} - {\bf r}') \cdot {\bf p}}{|{\bf r} - {\bf r}'|^3}
-\label{Gr(4.8)}
-\]
-With dipole moment per unit volume \({\bf P}\), we get
-\[
-V({\bf r}) = \frac{1}{4\pi\varepsilon_0} \int_{\cal V} d\tau' \frac{({\bf r} - {\bf r}') \cdot {\bf P}({\bf r}')}{|{\bf r} - {\bf r}'|^3}
-\label{Gr(4.9)}
-\]
-This is correct as it is.  There exists however another convenient representation.  We know that
-\[
-{\boldsymbol \nabla}' \frac{1}{|{\bf r} - {\bf r}'|} = \frac{{\bf r} - {\bf r}'}{|{\bf r} - {\bf r}'|^3}
-\]
-so we can write (using product rule number 5, ${\boldsymbol ∇} ⋅ (f {\bf A}) = f ({\boldsymbol ∇} ⋅ {\bf A}) + {\bf A} ⋅ {\boldsymbol ∇} f$~)
-</p>
-\begin{align}
-V({\bf r}) &amp;= \frac{1}{4\pi\varepsilon_0} \int_{\cal V} d\tau' {\bf P} ({\bf r}') \cdot
-{\boldsymbol \nabla}' \frac{1}{|{\bf r} - {\bf r}'|} \nonumber \\
-&amp; = \frac{1}{4\pi \varepsilon_0} \left[ \int_{\cal V} d\tau' {\boldsymbol \nabla}' \cdot \left( \frac{{\bf P} ({\bf r}')}{|{\bf r} - {\bf r}'|} \right)
-- \int_{\cal V} d\tau' \frac{1}{|{\bf r} - {\bf r}'|} {\boldsymbol \nabla}' \cdot {\bf P} ({\bf r}') \right]
-\end{align}
-<p>
-Using the divergence theorem, this becomes
-\[
-V({\bf r}) = \frac{1}{4\pi\varepsilon_0} \oint_{\cal S} d{\bf a}' ⋅ \frac{{\bf P} ({\bf r}')}{|{\bf r} - {\bf r}'|}
-</p>
-<ul class="org-ul">
-<li>\frac{1}{4\pi\varepsilon_0} ∫_{\cal V} dτ' \frac{{\boldsymbol ∇}' ⋅ {\bf P}({\bf r}')}{|{\bf r} - {\bf r}'|}.</li>
-</ul>
-<p>
-\label{Gr(4.10)}
-\]
-Interpretation:  first terms is like contribution of a surface charge,
-</p>
-<div class="main div" id="org854fcda">
-<p>
-\[
-    \sigma_b({\bf r}) = {\bf P} ({\bf r}) \cdot \hat{\bf n}
-    \label{Gr(4.11)}
-  \]
-</p>
-
-</div>
-<p>
-and second term looks like contribution of a volume charge,
-</p>
-<div class="main div" id="org50a8661">
-<p>
-\[
-    \rho_b ({\bf r}) = -{\boldsymbol \nabla} \cdot {\bf P} ({\bf r})
-    \label{Gr(4.12)}
-  \]
-</p>
-
-</div>
-<p>
-Using these definitions,
-</p>
-<div class="main div" id="org0032fb0">
-<p>
-\[
-  V({\bf r}) = \frac{1}{4\pi\varepsilon_0} \oint_{\cal S} d{\bf a}' ⋅ \frac{σ_b ({\bf r}')}{|{\bf r} - {\bf r}'|}
-</p>
-<ul class="org-ul">
-<li>\frac{1}{4\pi \varepsilon_0} ∫_{\cal V} dτ' \frac{ρ_b ({\bf r}')}{|{\bf r} - {\bf r}'|}.</li>
-</ul>
-<p>
-  \label{Gr(4.13)}
-\]
-</p>
-
-</div>
-<p>
-These {\bf bound charges} faithfully represent the object's sources for electrical fields.
-</p>
-
-
-<div class="example div" id="orge08c5c5">
-<p>
-\paragraph{Example 4.2:}  electric field produced by uniformly polarized sphere of radius \(R\).
-\paragraph{Solution:}  put \(z\) axis along \({\bf P}\).  Since \({\bf P}\) is uniform, \(\rho_b = 0\).
-Surface charge:
-\[
-    \sigma_b ({\bf r}) = {\bf P} \cdot \hat{\bf n} = P \cos \theta.
-  \]
-This was computed in Example: surface charge density on a sphere (eq. <a href="./ems_ca_sv_sph.html#p_uni_ch_sph">p_uni_ch_sph</a>):
-\[
-    V(r, \theta) = \left\{ \begin{array}{cc}
-      \frac{P}{3\varepsilon_0} r\cos \theta, &amp; r \leq R \\
-      \frac{P}{3\varepsilon_0} \frac{R^3}{r^2} \cos \theta, &amp; r \geq R.
-    \end{array} \right.
-  \]
-But \(r\cos \theta = z\), so the field inside the sphere is uniform,
-\[
-    {\bf E} = -{\boldsymbol \nabla} V = -\frac{P}{3\varepsilon_0} \hat{\bf z} = -\frac{1}{3\varepsilon_0} {\bf P},
-    \hspace{1cm} r &lt; R.
-    \label{Gr(4.14)}
-  \]
-Outside sphere, potential is identical to that of pure point dipole at origin,
-\[
-    V({\bf r}) = \frac{1}{4\pi\varepsilon_0} \frac{{\bf p} \cdot {\hat {\bf r}}}{r^2},
-    \hspace{1cm} r &gt; R
-    \label{Gr(4.15)}
-  \]
-where the total dipole moment is simply the integral over the polarization,
-\[
-    {\bf p} = \frac{4}{3} \pi R^3 {\bf P}
-    \label{Gr(4.16)}
-  \]
-</p>
-
-</div>
-</div>
-
-
-<h5>In this section:</h5>
-<ul class="child-links-list">
-<li><a href="emsm_esm_fpo_pibc.html">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span></li>
-<li><a href="emsm_esm_fpo_fid.html">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span></li>
-</ul>
-
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_fpo_pibc.html">Physical Interpretation of Bound Charges&emsp;<small>[emsm.esm.fpo.pibc]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
-<br>
-<hr>
-<div class="license">
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank" class="m-2">
-<img alt="Creative Commons License" style="border-width:0"
-src="https://licensebuttons.net/l/by/4.0/80x15.png"/>
-</a>
-Except where otherwise noted, all content is licensed under a
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank">Creative Commons Attribution 4.0 International License</a>.
-</div>
-<div id="postamble" class="status">
-<p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
-<p class="validation"></p>
-</div>
-
-
-</div>
-</html>
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-<title>Pre-Quantum Electrodynamics</title>
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-<meta name="author" content="Jean-Sébastien Caux">
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-<details>
-<summary>
-<a href="./in.html#in">Introduction</a><span class="headline-id">in</span>
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-
-</summary>
-<ul>
-<li>
-<a href="./in_p.html#in_p">Preface</a><span class="headline-id">in.p</span>
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-</li>
-<li>
-
-<details>
-<summary>
-<a href="./in_t.html#in_t">Tips for the reader</a><span class="headline-id">in.t</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./in_t_l.html#in_t_l">Section and equation labelling</a><span class="headline-id">in.t.l</span>
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-<a href="./in_t_c.html#in_t_c">Contextual colors</a><span class="headline-id">in.t.c</span>
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-<summary>
-<a href="./ems.html#ems">Electromagnetostatics</a><span class="headline-id">ems</span>
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-
-</summary>
-<ul>
-<li>
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-<details>
-<summary>
-<a href="./ems_es.html#ems_es">Electrostatics</a><span class="headline-id">ems.es</span>
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-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ec.html#ems_es_ec">Electric Charge</a><span class="headline-id">ems.es.ec</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ec_b.html#ems_es_ec_b">Basics</a><span class="headline-id">ems.es.ec.b</span>
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-</li>
-<li>
-<a href="./ems_es_ec_c.html#ems_es_ec_c">Conservation</a><span class="headline-id">ems.es.ec.c</span>
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-</li>
-<li>
-<a href="./ems_es_ec_q.html#ems_es_ec_q">Quantization</a><span class="headline-id">ems.es.ec.q</span>
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-</li>
-<li>
-<a href="./ems_es_ec_s.html#ems_es_ec_s">Structure</a><span class="headline-id">ems.es.ec.s</span>
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-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_efo.html#ems_es_efo">Electric Force and Energy</a><span class="headline-id">ems.es.efo</span>
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-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_efo_cl.html#ems_es_efo_cl">Coulomb's Law</a><span class="headline-id">ems.es.efo.cl</span>
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-</li>
-<li>
-<a href="./ems_es_efo_ps.html#ems_es_efo_ps">Principle of Superposition</a><span class="headline-id">ems.es.efo.ps</span>
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-</li>
-<li>
-<a href="./ems_es_efo_exp.html#ems_es_efo_exp">Experimental Investigations</a><span class="headline-id">ems.es.efo.exp</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_e.html#ems_es_efo_e">Energy in Systems of Point Charges</a><span class="headline-id">ems.es.efo.e</span>
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-</li>
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-</ul>
-</details>
-</li>
-<li>
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-<details>
-<summary>
-<a href="./ems_es_ef.html#ems_es_ef">Electrostatic Fields</a><span class="headline-id">ems.es.ef</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ef_pc.html#ems_es_ef_pc">Electrostatic Field of Point Charges</a><span class="headline-id">ems.es.ef.pc</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_ccd.html#ems_es_ef_ccd">Electrostatic Field of Continuous Charge Distributions</a><span class="headline-id">ems.es.ef.ccd</span>
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-</li>
-<li>
-<a href="./ems_es_ef_cE.html#ems_es_ef_cE">The Curl of \({\bf E}\)</a><span class="headline-id">ems.es.ef.cE</span>
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-</li>
-<li>
-<a href="./ems_es_ef_Gl.html#ems_es_ef_Gl">Gauss's Law: the divergence of \({\bf E}\)</a><span class="headline-id">ems.es.ef.Gl</span>
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-</li>
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-<li>
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-<details>
-<summary>
-<a href="./ems_es_ep.html#ems_es_ep">The Electrostatic Potential</a><span class="headline-id">ems.es.ep</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ep_d.html#ems_es_ep_d">Definition</a><span class="headline-id">ems.es.ep.d</span>
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-</li>
-<li>
-<a href="./ems_es_ep_fp.html#ems_es_ep_fp">Field in terms of the potential</a><span class="headline-id">ems.es.ep.fp</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_ex.html#ems_es_ep_ex">Example calculations for the potential</a><span class="headline-id">ems.es.ep.ex</span>
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-</li>
-<li>
-<a href="./ems_es_ep_PL.html#ems_es_ep_PL">Poisson's and Laplace's Equations</a><span class="headline-id">ems.es.ep.PL</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_bc.html#ems_es_ep_bc">Electrostatic Boundary Conditions</a><span class="headline-id">ems.es.ep.bc</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-<a href="./ems_es_e.html#ems_es_e">Electrostatic Energy from the Potential</a><span class="headline-id">ems.es.e</span>
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-</li>
-<li>
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-<details>
-<summary>
-<a href="./ems_es_c.html#ems_es_c">Conductors</a><span class="headline-id">ems.es.c</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_c_p.html#ems_es_c_p">Properties</a><span class="headline-id">ems.es.c.p</span>
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-</li>
-<li>
-<a href="./ems_es_c_ic.html#ems_es_c_ic">Induced Charges</a><span class="headline-id">ems.es.c.ic</span>
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-</li>
-<li>
-<a href="./ems_es_c_sc.html#ems_es_c_sc">Surface Charge and the Force on a Conductor</a><span class="headline-id">ems.es.c.sc</span>
-
-</li>
-<li>
-<a href="./ems_es_c_cap.html#ems_es_c_cap">Capacitors</a><span class="headline-id">ems.es.c.cap</span>
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-</li>
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-</ul>
-</details>
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-</ul>
-</details>
-</li>
-<li>
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-<details>
-<summary>
-<a href="./ems_ca.html#ems_ca">Calculating or Approximating the Electrostatic Potential</a><span class="headline-id">ems.ca</span>
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-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_fe.html#ems_ca_fe">Fundamental Equations for the Electrostatic Potential</a><span class="headline-id">ems.ca.fe</span>
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-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_fe_L.html#ems_ca_fe_L">The Laplace Equation</a><span class="headline-id">ems.ca.fe.L</span>
-
-</li>
-<li>
-<a href="./ems_ca_fe_g.html#ems_ca_fe_g">Green's Identities</a><span class="headline-id">ems.ca.fe.g</span>
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-</li>
-<li>
-<a href="./ems_ca_fe_uP.html#ems_ca_fe_uP">Uniqueness of Solution to Poisson's Equation</a><span class="headline-id">ems.ca.fe.uP</span>
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-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_mi.html#ems_ca_mi">The Method of Images</a><span class="headline-id">ems.ca.mi</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_mi_isc.html#ems_ca_mi_isc">Induced Surface Charges</a><span class="headline-id">ems.ca.mi.isc</span>
-
-</li>
-<li>
-<a href="./ems_ca_mi_fe.html#ems_ca_mi_fe">Force and Energy</a><span class="headline-id">ems.ca.mi.fe</span>
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-</li>
-<li>
-<a href="./ems_ca_mi_o.html#ems_ca_mi_o">Other Image Problems</a><span class="headline-id">ems.ca.mi.o</span>
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-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_sv.html#ems_ca_sv">Separation of Variables</a><span class="headline-id">ems.ca.sv</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_sv_car.html#ems_ca_sv_car">Cartesian Coordinates</a><span class="headline-id">ems.ca.sv.car</span>
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-</li>
-<li>
-<a href="./ems_ca_sv_cyl.html#ems_ca_sv_cyl">Cylindrical Coordinates</a><span class="headline-id">ems.ca.sv.cyl</span>
-
-</li>
-<li>
-<a href="./ems_ca_sv_sph.html#ems_ca_sv_sph">Spherical Coordinates</a><span class="headline-id">ems.ca.sv.sph</span>
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-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ca_me.html#ems_ca_me">The Multipole Expansion</a><span class="headline-id">ems.ca.me</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_me_a.html#ems_ca_me_a">Approximate Potential at Large Distance</a><span class="headline-id">ems.ca.me.a</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_md.html#ems_ca_me_md">Monopole and Dipole Terms</a><span class="headline-id">ems.ca.me.md</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_h.html#ems_ca_me_h">Higher Moments</a><span class="headline-id">ems.ca.me.h</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_Ed.html#ems_ca_me_Ed">The Electric Field of a Dipole</a><span class="headline-id">ems.ca.me.Ed</span>
-
-</li>
-<li>
-<a href="./ems_ca_me_Eq.html#ems_ca_me_Eq">The Electric Field of a Quadrupole</a><span class="headline-id">ems.ca.me.Eq</span>
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-</li>
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-</li>
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-</ul>
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-<li>
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-<details>
-<summary>
-<a href="./ems_ms.html#ems_ms">Magnetostatics</a><span class="headline-id">ems.ms</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ms_lf.html#ems_ms_lf">Charges in Motion: the Lorentz Force Law</a><span class="headline-id">ems.ms.lf</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_ms_lf_pc.html#ems_ms_lf_pc">Point Charges</a><span class="headline-id">ems.ms.lf.pc</span>
-
-</li>
-<li>
-<a href="./ems_ms_lf_sc.html#ems_ms_lf_sc">Steady Currents</a><span class="headline-id">ems.ms.lf.sc</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-<a href="./ems_ms_ce.html#ems_ms_ce">Charge Conservation and the Continuity Equation</a><span class="headline-id">ems.ms.ce</span>
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-</li>
-<li>
-<a href="./ems_ms_BS.html#ems_ms_BS">Steady Currents: the Biot-Savart Law</a><span class="headline-id">ems.ms.BS</span>
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-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_ms_dcB.html#ems_ms_dcB">Divergence and Curl of \({\bf B}\)</a><span class="headline-id">ems.ms.dcB</span>
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-</summary>
-<ul>
-<li>
-<a href="./ems_ms_dcB_iw.html#ems_ms_dcB_iw">Simplistic case: infinite wire</a><span class="headline-id">ems.ms.dcB.iw</span>
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-</li>
-<li>
-<a href="./ems_ms_dcB_d.html#ems_ms_dcB_d">Divergence of \({\bf B}\) from Biot-Savart</a><span class="headline-id">ems.ms.dcB.d</span>
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-</li>
-<li>
-<a href="./ems_ms_dcB_c.html#ems_ms_dcB_c">Curl of \({\bf B}\) from Biot-Savart; Ampère's Law</a><span class="headline-id">ems.ms.dcB.c</span>
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-</li>
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-</ul>
-</details>
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-<li>
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-<summary>
-<a href="./ems_ms_vp.html#ems_ms_vp">The Vector Potential</a><span class="headline-id">ems.ms.vp</span>
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-</summary>
-<ul>
-<li>
-<a href="./ems_ms_vp_A.html#ems_ms_vp_A">Definition; Gauge Choices</a><span class="headline-id">ems.ms.vp.A</span>
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-</li>
-<li>
-<a href="./ems_ms_vp_mbc.html#ems_ms_vp_mbc">Magnetic Boundary Conditions</a><span class="headline-id">ems.ms.vp.mbc</span>
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-</li>
-<li>
-<a href="./ems_ms_vp_me.html#ems_ms_vp_me">Multipole Expansion of the Vector Potential</a><span class="headline-id">ems.ms.vp.me</span>
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-</li>
-<li>
-<a href="./ems_ms_vp_comp.html#ems_ms_vp_comp">Comparison of Electrostatics and Magnetostatics</a><span class="headline-id">ems.ms.vp.comp</span>
-
-</li>
-<li>
-<a href="./ems_ms_vp_LC.html#ems_ms_vp_LC">The Levi-Civita Symbol</a><span class="headline-id">ems.ms.vp.LC</span>
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-<a href="./emsm.html#emsm">Electromagnetostatics in matter</a><span class="headline-id">emsm</span>
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-<a href="./emsm_esm.html#emsm_esm">Electrostatics in matter</a><span class="headline-id">emsm.esm</span>
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-</summary>
-<ul>
-<li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<li>
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-<details open="">
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
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-</summary>
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-<li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
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-</li>
-<li class="toc-currentpage">
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
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-<li>
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-<a href="./emsm_esm_D.html#emsm_esm_D">The Electric Displacement</a><span class="headline-id">emsm.esm.D</span>
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-</summary>
-<ul>
-<li>
-<a href="./emsm_esm_D_bc.html#emsm_esm_D_bc">Boundary Conditions</a><span class="headline-id">emsm.esm.D.bc</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
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-<summary>
-<a href="./emsm_msm.html#emsm_msm">Magnetostatics in matter</a><span class="headline-id">emsm.msm</span>
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-</summary>
-<ul>
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-<summary>
-<a href="./emsm_msm_m.html#emsm_msm_m">Magnetization</a><span class="headline-id">emsm.msm.m</span>
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-</summary>
-<ul>
-<li>
-<a href="./emsm_msm_m_dpf.html#emsm_msm_m_dpf">Diamagnetism, Paramagnetism, Ferromagnetism</a><span class="headline-id">emsm.msm.m.dpf</span>
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-<a href="./emsm_msm_m_fdi.html#emsm_msm_m_fdi">Torques and Forces on Magnetic Dipoles</a><span class="headline-id">emsm.msm.m.fdi</span>
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-<a href="./emsm_msm_a.html#emsm_msm_a">Effect of Magnetic Field on Atomic Orbits</a><span class="headline-id">emsm.msm.a</span>
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-</ul>
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-<summary>
-<a href="./emsm_msm_fmo.html#emsm_msm_fmo">The Field of a Magnetized Object</a><span class="headline-id">emsm.msm.fmo</span>
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-</summary>
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-<li>
-<a href="./emsm_msm_fmo_bc.html#emsm_msm_fmo_bc">Bound Currents</a><span class="headline-id">emsm.msm.fmo.bc</span>
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-<a href="./emsm_msm_fmo_pibc.html#emsm_msm_fmo_pibc">Physical Interpretation of Bound Currents</a><span class="headline-id">emsm.msm.fmo.pibc</span>
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-<li>
-<a href="./emsm_msm_fmo_fim.html#emsm_msm_fmo_fim">The Magnetic Field Inside Matter</a><span class="headline-id">emsm.msm.fmo.fim</span>
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-</ul>
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-<summary>
-<a href="./emsm_msm_H.html#emsm_msm_H">The H Field</a><span class="headline-id">emsm.msm.H</span>
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-</summary>
-<ul>
-<li>
-<a href="./emsm_msm_H_A.html#emsm_msm_H_A">Ampère's Law in Magnetized Materials</a><span class="headline-id">emsm.msm.H.A</span>
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-<summary>
-<a href="./emsm_msm_lnlm.html#emsm_msm_lnlm">Linear and Nonlinear Media</a><span class="headline-id">emsm.msm.lnlm</span>
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-</summary>
-<ul>
-<li>
-<a href="./emsm_msm_lnlm_sp.html#emsm_msm_lnlm_sp">Magnetic Susceptibility and Permeability</a><span class="headline-id">emsm.msm.lnlm.sp</span>
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-<a href="./emsm_msm_lnlm_fm.html#emsm_msm_lnlm_fm">Ferromagnetism</a><span class="headline-id">emsm.msm.lnlm.fm</span>
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-</ul>
-</details>
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-</ul>
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-<summary>
-<a href="./emd.html#emd">Electromagnetodynamics</a><span class="headline-id">emd</span>
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-</summary>
-<ul>
-<li>
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-<summary>
-<a href="./emd_Fl.html#emd_Fl">Induction: Faraday's Law</a><span class="headline-id">emd.Fl</span>
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-</summary>
-<ul>
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-<a href="./emd_Fl_Fl.html#emd_Fl_Fl">Faraday's Law</a><span class="headline-id">emd.Fl.Fl</span>
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-<li>
-<a href="./emd_Fl_ief.html#emd_Fl_ief">The Induced Electric Field</a><span class="headline-id">emd.Fl.ief</span>
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-<a href="./emd_Fl_i.html#emd_Fl_i">Inductance</a><span class="headline-id">emd.Fl.i</span>
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-<li>
-<a href="./emd_Fl_e.html#emd_Fl_e">Energy in Magnetic Fields</a><span class="headline-id">emd.Fl.e</span>
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-</ul>
-</details>
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-<li>
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-<details>
-<summary>
-<a href="./emd_Me.html#emd_Me">Maxwell's Equations</a><span class="headline-id">emd.Me</span>
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-</summary>
-<ul>
-<li>
-<a href="./emd_Me_ebM.html#emd_Me_ebM">Electrodynamics Before Maxwell</a><span class="headline-id">emd.Me.ebM</span>
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-<li>
-<a href="./emd_Me_dc.html#emd_Me_dc">Maxwell's Correction to Ampère's Law; the Displacement Current</a><span class="headline-id">emd.Me.dc</span>
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-<li>
-<a href="./emd_Me_Me.html#emd_Me_Me">Maxwell's Equations</a><span class="headline-id">emd.Me.Me</span>
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-<li>
-<a href="./emd_Me_mc.html#emd_Me_mc">Magnetic Charge</a><span class="headline-id">emd.Me.mc</span>
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-</ul>
-</details>
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-<summary>
-<a href="./emd_ce.html#emd_ce">Charge and Energy Flows</a><span class="headline-id">emd.ce</span>
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-</summary>
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-<li>
-<a href="./emd_ce_ce.html#emd_ce_ce">The Continuity Equation</a><span class="headline-id">emd.ce.ce</span>
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-<li>
-<a href="./emd_ce_poy.html#emd_ce_poy">Poynting's Theorem; the Poynting Vector</a><span class="headline-id">emd.ce.poy</span>
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-</li>
-<li>
-<a href="./emd_ce_mst.html#emd_ce_mst">Maxwell's Stress Tensor</a><span class="headline-id">emd.ce.mst</span>
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-</li>
-<li>
-<a href="./emd_ce_mom.html#emd_ce_mom">Momentum</a><span class="headline-id">emd.ce.mom</span>
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-<li>
-<a href="./emd_ce_amom.html#emd_ce_amom">Angular Momentum</a><span class="headline-id">emd.ce.amom</span>
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-
-</ul>
-</details>
-</li>
-<li>
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-<summary>
-<a href="./emd_emw.html#emd_emw">Electromagnetic waves in vacuum</a><span class="headline-id">emd.emw</span>
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-</summary>
-<ul>
-<li>
-<a href="./emd_emw_we.html#emd_emw_we">The Wave Equation</a><span class="headline-id">emd.emw.we</span>
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-<li>
-<a href="./emd_emw_mpw.html#emd_emw_mpw">Monochromatic Plane Waves</a><span class="headline-id">emd.emw.mpw</span>
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-<li>
-<a href="./emd_emw_ep.html#emd_emw_ep">Energy and Momentum</a><span class="headline-id">emd.emw.ep</span>
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-</ul>
-</details>
-</li>
-
-</ul>
-</details>
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-<summary>
-<a href="./emdm.html#emdm">Electromagnetodynamics in Matter</a><span class="headline-id">emdm</span>
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-</summary>
-<ul>
-<li>
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-<details>
-<summary>
-<a href="./emdm_Me.html#emdm_Me">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me</span>
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-</summary>
-<ul>
-<li>
-<a href="./emdm_Me_Mem.html#emdm_Me_Mem">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me.Mem</span>
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-<li>
-<a href="./emdm_Me_bc.html#emdm_Me_bc">Boundary Conditions</a><span class="headline-id">emdm.Me.bc</span>
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-</ul>
-</details>
-</li>
-<li>
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-<details>
-<summary>
-<a href="./emdm_emwm.html#emdm_emwm">Electromagnetic Waves in Matter</a><span class="headline-id">emdm.emwm</span>
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-<ul>
-<li>
-<a href="./emdm_emwm_plm.html#emdm_emwm_plm">Propagation in Linear Media</a><span class="headline-id">emdm.emwm.plm</span>
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-<li>
-<a href="./emdm_emwm_refr.html#emdm_emwm_refr">Refraction</a><span class="headline-id">emdm.emwm.refr</span>
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-<details>
-<summary>
-<a href="./emdm_emwm_refl.html#emdm_emwm_refl">Reflection and Transmission</a><span class="headline-id">emdm.emwm.refl</span>
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-<ul>
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-<a href="./emdm_emwm_refl_ni.html#emdm_emwm_refl_ni">Normal Incidence</a><span class="headline-id">emdm.emwm.refl.ni</span>
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-<a href="./emdm_emwm_refl_oi.html#emdm_emwm_refl_oi">Oblique Incidence</a><span class="headline-id">emdm.emwm.refl.oi</span>
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-<a href="./emdm_emwm_refl_Fe.html#emdm_emwm_refl_Fe">Fresnel's Equations</a><span class="headline-id">emdm.emwm.refl.Fe</span>
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-</li>
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-<a href="./emdm_emwm_refl_Ba.html#emdm_emwm_refl_Ba">Brewster's Angle</a><span class="headline-id">emdm.emwm.refl.Ba</span>
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-</ul>
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-<li>
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-<a href="./emdm_emwm_ad.html#emdm_emwm_ad">Absorption and Dispersion</a><span class="headline-id">emdm.emwm.ad</span>
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-<a href="./emdm_emwm_ad_c.html#emdm_emwm_ad_c">EM Waves in Conductors</a><span class="headline-id">emdm.emwm.ad.c</span>
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-</ul>
-</details>
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-<li>
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-<a href="./emdm_emwm_wg.html#emdm_emwm_wg">Waveguides</a><span class="headline-id">emdm.emwm.wg</span>
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-<a href="./emdm_emwm_wg_gw.html#emdm_emwm_wg_gw">Guided waves</a><span class="headline-id">emdm.emwm.wg.gw</span>
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-<a href="./emdm_emwm_wg_r.html#emdm_emwm_wg_r">Rectangular Waveguides</a><span class="headline-id">emdm.emwm.wg.r</span>
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-<a href="./emdm_emwm_wg_c.html#emdm_emwm_wg_c">Coaxial Lines</a><span class="headline-id">emdm.emwm.wg.c</span>
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-</ul>
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-</ul>
-</details>
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-</ul>
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-<a href="./emf.html#emf">Electromagnetic Fields</a><span class="headline-id">emf</span>
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-<li>
-<a href="./emf_svp.html#emf_svp">Scalar and Vector Potentials</a><span class="headline-id">emf.svp</span>
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-<details>
-<summary>
-<a href="./emf_g.html#emf_g">Gauge Freedom and Choices</a><span class="headline-id">emf.g</span>
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-</summary>
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-<li>
-<a href="./emf_g_Cg.html#emf_g_Cg">Coulomb Gauge</a><span class="headline-id">emf.g.Cg</span>
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-<li>
-<a href="./emf_g_Lg.html#emf_g_Lg">Lorenz Gauge; d'Alembertian; Inhomogeneous Maxwell Equations</a><span class="headline-id">emf.g.Lg</span>
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-</ul>
-</details>
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-</ul>
-</details>
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-<a href="./red.html#red">Relativistic Electrodynamics</a><span class="headline-id">red</span>
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-</summary>
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-<li>
-
-<details>
-<summary>
-<a href="./red_sr.html#red_sr">Special Relativity</a><span class="headline-id">red.sr</span>
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-<a href="./red_sr_p.html#red_sr_p">Postulates and their consequences</a><span class="headline-id">red.sr.p</span>
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-<a href="./red_sr_Lt.html#red_sr_Lt">Lorentz Transformations</a><span class="headline-id">red.sr.Lt</span>
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-</li>
-<li>
-<a href="./red_sr_4v.html#red_sr_4v">Covariant and Contravariant Four-Vectors</a><span class="headline-id">red.sr.4v</span>
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-
-</ul>
-</details>
-</li>
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-<summary>
-<a href="./red_rm.html#red_rm">Relativistic Mechanics</a><span class="headline-id">red.rm</span>
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-</summary>
-<ul>
-<li>
-<a href="./red_rm_pt.html#red_rm_pt">Proper Time and Proper Velocity</a><span class="headline-id">red.rm.pt</span>
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-<li>
-<a href="./red_rm_rme.html#red_rm_rme">Relativistic Momentum and Energy</a><span class="headline-id">red.rm.rme</span>
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-</li>
-<li>
-<a href="./red_rm_Mf.html#red_rm_Mf">Relativistic version of Newton's Laws; the Minkowski Force</a><span class="headline-id">red.rm.Mf</span>
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-</ul>
-</details>
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-<details>
-<summary>
-<a href="./red_rem.html#red_rem">Relativistic Electromagnetism</a><span class="headline-id">red.rem</span>
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-</summary>
-<ul>
-<li>
-<a href="./red_rem_mre.html#red_rem_mre">Magnetism as a Relativistic Effect</a><span class="headline-id">red.rem.mre</span>
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-<li>
-<a href="./red_rem_Ltf.html#red_rem_Ltf">Lorentz Transformation of Electromagnetic Fields</a><span class="headline-id">red.rem.Ltf</span>
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-</li>
-<li>
-<a href="./red_rem_Fmunu.html#red_rem_Fmunu">The Field Tensor</a><span class="headline-id">red.rem.Fmunu</span>
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-</li>
-<li>
-<a href="./red_rem_Me.html#red_rem_Me">Maxwell's Equations in Relativistic Notation</a><span class="headline-id">red.rem.Me</span>
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-</li>
-
-</ul>
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-
-</ul>
-</details>
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-<summary>
-<a href="./qed.html#qed">Quantum Electrodynamics</a><span class="headline-id">qed</span>
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-</summary>
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-<li>
-<a href="./qed_t.html#qed_t">QED today</a><span class="headline-id">qed.t</span>
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-<details>
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-<a href="./d.html#d">Diagnostics</a><span class="headline-id">d</span>
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-</summary>
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-<li>
-<a href="./d_m.html#d_m">Diagnostics: Mathematical Preliminaries</a><span class="headline-id">d.m</span>
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-<li>
-<a href="./d_ems.html#d_ems">Diagnostics: Electromagnetostatics</a><span class="headline-id">d.ems</span>
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-<li>
-<a href="./d_ems_ca.html#d_ems_ca">Diagnostics: Calculating or Approximating the Electostatic Potential</a><span class="headline-id">d.ems.ca</span>
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-</li>
-<li>
-<a href="./d_emsm.html#d_emsm">Diagnostics: Electromagnetostatics in Matter</a><span class="headline-id">d.emsm</span>
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-</li>
-<li>
-<a href="./d_ems_ms.html#d_ems_ms">Diagnostics: Magnetostatics</a><span class="headline-id">d.ems.ms</span>
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-</li>
-<li>
-<a href="./d_emsm_msm.html#d_emsm_msm">Diagnostics: Magnetostatics in Matter</a><span class="headline-id">d.emsm.msm</span>
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-</li>
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-<a href="./d_emd.html#d_emd">Diagnostics: Electromagnetodynamics</a><span class="headline-id">d.emd</span>
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-<li>
-<a href="./d_emd_ce.html#d_emd_ce">Diagnostics: Conservation Laws</a><span class="headline-id">d.emd.ce</span>
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-<li>
-<a href="./d_emd_emw.html#d_emd_emw">Diagnostics: Electromagnetic Waves</a><span class="headline-id">d.emd.emw</span>
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-</li>
-<li>
-<a href="./d_emf.html#d_emf">Diagnostics: Potentials, Gauges and Fields</a><span class="headline-id">d.emf</span>
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-<li>
-<a href="./d_red.html#d_red">Diagnostics: Relativistic Electrodynamics</a><span class="headline-id">d.red</span>
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-</ul>
-</details>
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-<details>
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-<a href="./a.html#a">Appendices</a><span class="headline-id">a</span>
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-</summary>
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-<li>
-<a href="./a_l.html#a_l">Literature</a><span class="headline-id">a.l</span>
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-</ul>
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-<li>
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-<details>
-<summary>
-<a href="./c.html#c">Compendium</a><span class="headline-id">c</span>
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-</summary>
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-<li>
-
-<details>
-<summary>
-<a href="./c_m.html#c_m">Mathematics</a><span class="headline-id">c.m</span>
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-</summary>
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-<li>
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-<details>
-<summary>
-<a href="./c_m_va.html#c_m_va">Vector Analysis</a><span class="headline-id">c.m.va</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_va_n.html#c_m_va_n">Notation and algebraic properties</a><span class="headline-id">c.m.va.n</span>
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-<a href="./c_m_va_sp.html#c_m_va_sp">Scalar product</a><span class="headline-id">c.m.va.sp</span>
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-<a href="./c_m_va_cp.html#c_m_va_cp">Cross product</a><span class="headline-id">c.m.va.cp</span>
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-<li>
-<a href="./c_m_va_tp.html#c_m_va_tp">Triple Products</a><span class="headline-id">c.m.va.tp</span>
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-</li>
-<li>
-<a href="./c_m_va_pds.html#c_m_va_pds">Position, Displacement and Separation Vectors</a><span class="headline-id">c.m.va.pds</span>
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-</ul>
-</details>
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-<li>
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-<details>
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-<a href="./c_m_dc.html#c_m_dc">Differential Calculus</a><span class="headline-id">c.m.dc</span>
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-</summary>
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-<li>
-<a href="./c_m_dc_g.html#c_m_dc_g">Gradient</a><span class="headline-id">c.m.dc.g</span>
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-<a href="./c_m_dc_del.html#c_m_dc_del">The \({\boldsymbol \nabla}\) Operator</a><span class="headline-id">c.m.dc.del</span>
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-<li>
-<a href="./c_m_dc_div.html#c_m_dc_div">The Divergence</a><span class="headline-id">c.m.dc.div</span>
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-<li>
-<a href="./c_m_dc_curl.html#c_m_dc_curl">The Curl</a><span class="headline-id">c.m.dc.curl</span>
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-</li>
-<li>
-<a href="./c_m_dc_pr.html#c_m_dc_pr">Product arguments</a><span class="headline-id">c.m.dc.pr</span>
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-<a href="./c_m_dc_d2.html#c_m_dc_d2">Second Derivatives</a><span class="headline-id">c.m.dc.d2</span>
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-</details>
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-<a href="./c_m_ic.html#c_m_ic">Integral Calculus</a><span class="headline-id">c.m.ic</span>
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-</summary>
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-<li>
-<a href="./c_m_ic_lsv.html#c_m_ic_lsv">Line, Surface and Volume Integrals</a><span class="headline-id">c.m.ic.lsv</span>
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-</li>
-<li>
-<a href="./c_m_ic_ftc.html#c_m_ic_ftc">The Fundamental Theorem of Calculus</a><span class="headline-id">c.m.ic.ftc</span>
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-
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-<ul>
-<li>
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-
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-<li>
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-
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-<li>
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-
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-
-
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-<li>
-<a href="./c_m_vf_helm.html#c_m_vf_helm">The Helmholtz Theorem</a><span class="headline-id">c.m.vf.helm</span>
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-</nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm_fpo.html">The Field of a Polarized Object</a></li><li>The Field Inside a Dielectric</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_fpo_pibc.html">Physical Interpretation of Bound Charges&emsp;<small>[emsm.esm.fpo.pibc]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_D.html">The Electric Displacement&emsp;<small>[emsm.esm.D]</small></a></li><li>Up:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li></ul><div id="outline-container-emsm_esm_fpo_fid" class="outline-5">
-<h5 id="emsm_esm_fpo_fid">The Field Inside a Dielectric<a class="headline-permalink" href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
-  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
-  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
-</svg></a><span class="headline-id">emsm.esm.fpo.fid</span></h5>
-<div class="outline-text-5" id="text-emsm_esm_fpo_fid">
-<p>
-Outside dielectric:  OK, don't need microscopic details of field.
-</p>
-
-<p>
-Inside dielectric:  microscopic field is very complicated.  Macroscopic field is what we should
-concentrate on.  Defined as average field over region containing many constituents.
-</p>
-
-<p>
-Suppose we want to calculate field at point \({\bf r}\) inside dielectric.  Consider a sphere around
-\({\bf r}\), such that many atoms are within the sphere.  Total macroscopic electric field:
-\[
-{\bf E} = {\bf E}_{out} + {\bf E}_{in}.
-\]
-From Problem 3.47, average field (over a sphere) produced by charges outside sphere is
-equal to field they produce at center of sphere.  Therefore, \({\bf E}_{out}\) is field at \({\bf r}\)
-from dipoles exterior to sphere, for which we can use \ref{Gr(4.9)}:
-\[
-V_{out} ({\bf r}) = \frac{1}{4\pi\varepsilon_0} \int_{out} d\tau' \frac{({\bf r} - {\bf r}') \cdot {\bf P} ({\bf r}')}
-{|{\bf r} - {\bf r}'|^3}
-\label{Gr(4.17)}
-\]
-For dipoles inside:  cannot be treated in this fashion.  But their average field is all we need, and
-this is given by \ref{Gr(3.105)} (see Example below)
-\[
-{\bf E}_{av} = -\frac{1}{4\pi\varepsilon_0} \frac{\bf p}{R^3}
-\label{Gr(3.105)}
-\]
-irrespective of charge distribution within sphere.
-</p>
-
-<div class="example div" id="org762b1de">
-<p>
-\paragraph{Problem 3.47:}  show that the average field inside sphere of radius \(R\) due to all charges within
-the sphere is
-\[
-    {\bf E}_{av} = -\frac{1}{4\pi\varepsilon_0} \frac{{\bf p}}{R^3}
-    \label{Gr(3.105)}
-  \]
-where \({\bf p}\) is the dipole moment.  Many ways to do this.
-\paragraph{a)} show that average field due to single charge \(q\) at \({\bf r}\) inside sphere is same as
-field at \({\bf r}\) due to uniformly charged sphere with \(\rho = -q/(\frac{4}{3} \pi R^3)\),
-\[
-    \frac{1}{4\pi \varepsilon_0} \frac{1}{\frac{4}{3} \pi R^3} \int d\tau' q \frac{{\bf r}' - {\bf r}}{|{\bf r} - {\bf r}'|^3}.
-  \]
-\paragraph{Solution}:  average field due to point charge \(q\) at \({\bf r}\):
-\[
-    {\bf E}_{av} = \frac{1}{\frac{4}{3} \pi R^3} \int d\tau' {\bf E} ({\bf r}'), \hspace{1cm}
-    {\bf E}({\bf r}') = \frac{q}{4\pi \varepsilon_0} \frac{{\bf r'} - {\bf r}}{|{\bf r} - {\bf r}'|^3}
-  \]
-so
-\[
-    {\bf E}_{av} = \frac{1}{\frac{4}{3} \pi R^3} \frac{q}{4\pi\varepsilon_0} \int d\tau' \frac{{\bf r'} - {\bf r}}{|{\bf r} - {\bf r}'|^3}
-  \]
-Field at \({\bf r}\) due to uniformly charged sphere:
-\[
-    {\bf E}_s ({\bf r}) = \frac{1}{4\pi\varepsilon_0} \int d\tau' \rho({\bf r}') \frac{{\bf r} - {\bf r}'}{|{\bf r} - {\bf r}'|^3}
-  \]
-If \(\rho = -q/(\frac{4}{3} \pi R^3)\), the two expressions coincide.
-</p>
-
-<p>
-\paragraph{b)}
-Express the latter in terms of the dipole moment.
-\paragraph{Solution:}  from Problem 2.12, field inside uniformly charged sphere is
-\[
-    {\bf E} ({\bf r}) = \frac{1}{3\varepsilon_0} \rho \hat{\bf r}
-  \]
-so
-\[
-    {\bf E}_{s} ({\bf r}) = \left. \frac{1}{3\varepsilon_0} \rho \hat{\bf r} \right|_{\rho = \frac{-q}{\frac{4}{3}\pi R^3}} = -\frac{q}{4\pi\varepsilon_0} \frac{\hat{\bf r}}{R^3} = -\frac{{\bf p}}{4\pi\varepsilon_0 R^3}.
-  \]
-\paragraph{c)} Arbitrary charge distribution
-\paragraph{Solution:}  just use superposition !
-\paragraph{d)} Show that the average field over the volume of a sphere due to all the charges outside is the same as the field they produce at the center:
-\paragraph{Solution:}
-Field at \({\bf r}'\) due to charge at \({\bf r}\) outside the sphere:
-\[
-    {\bf E} ({\bf r}') = \frac{q}{4\pi\varepsilon_0} \frac{{\bf r'} - {\bf r}}{|{\bf r} - {\bf r}'|^3}
-  \]
-Averaged over sphere:
-\[
-    {\bf E}_{av} = \frac{1}{\frac{4}{3} \pi R^3} \frac{q}{4\pi\varepsilon_0} \int d\tau' \frac{{\bf r'} - {\bf r}}{|{\bf r} - {\bf r}'|^3}
-  \]
-This is same as field produced at \({\bf r}\) outside sphere, by uniformly charged sphere with \(\rho = -q/(\frac{4}{3} \pi R^3)\).
-We know that this is simply
-\[
-    {\bf E}_s = \frac{1}{4\pi\varepsilon_0} (-q) \frac{{\bf r} - {\bf r}'}{|{\bf r} - {\bf r}'|^3}
-  \]
-where the sphere is centered on \({\bf r}'\).  But this is precisely the field produced at the center of the sphere \({\bf r}'\), by
-a charge \(q\) sitting at \({\bf r}\).
-</p>
-
-</div>
-
-
-<p>
-We thus have
-\[
-{\bf E}_{in} = -\frac{1}{4\pi\varepsilon_0} \frac{\bf p}{R^3}
-\]
-Since \({\bf p} = \frac{4}{3} \pi R^3 {\bf P}\), we get
-\[
-{\bf E}_{in} = -\frac{1}{3\varepsilon_0} {\bf P}
-\label{Gr(4.18)}
-\]
-</p>
-
-<p>
-Now:  by assumption, \({\bf P}\) does not vary significantly over volume of sphere.
-Term left out of \ref{Gr(4.17)} is thus field at center of uniformly polarized sphere.
-But this is precisely equal to the \({\bf E}_{in}\) contribution, so macroscopic field is
-given by the potential
-\[
-V({\bf r}) = \frac{1}{4\pi\varepsilon_0} \int_{\cal V} d\tau' \frac{({\bf r} - {\bf r}') \cdot {\bf P} ({\bf r}')}
-{|{\bf r} - {\bf r}'|^3}
-\label{Gr(4.19)}
-\]
-where \({\cal V}\) is the entire volume of the dielectric.
-</p>
-</div>
-</div>
-
-
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_fpo_pibc.html">Physical Interpretation of Bound Charges&emsp;<small>[emsm.esm.fpo.pibc]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_D.html">The Electric Displacement&emsp;<small>[emsm.esm.D]</small></a></li><li>Up:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li></ul>
-<br>
-<hr>
-<div class="license">
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank" class="m-2">
-<img alt="Creative Commons License" style="border-width:0"
-src="https://licensebuttons.net/l/by/4.0/80x15.png"/>
-</a>
-Except where otherwise noted, all content is licensed under a
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank">Creative Commons Attribution 4.0 International License</a>.
-</div>
-<div id="postamble" class="status">
-<p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
-<p class="validation"></p>
-</div>
-
-
-</div>
-</html>
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-<li>
-<a href="./in_p.html#in_p">Preface</a><span class="headline-id">in.p</span>
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-<details>
-<summary>
-<a href="./in_t.html#in_t">Tips for the reader</a><span class="headline-id">in.t</span>
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-<ul>
-<li>
-<a href="./in_t_l.html#in_t_l">Section and equation labelling</a><span class="headline-id">in.t.l</span>
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-<a href="./ems.html#ems">Electromagnetostatics</a><span class="headline-id">ems</span>
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-<a href="./ems_es.html#ems_es">Electrostatics</a><span class="headline-id">ems.es</span>
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-<a href="./ems_es_ec.html#ems_es_ec">Electric Charge</a><span class="headline-id">ems.es.ec</span>
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-
-</summary>
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-<li>
-<a href="./ems_es_ec_b.html#ems_es_ec_b">Basics</a><span class="headline-id">ems.es.ec.b</span>
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-</li>
-<li>
-<a href="./ems_es_ec_c.html#ems_es_ec_c">Conservation</a><span class="headline-id">ems.es.ec.c</span>
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-</li>
-<li>
-<a href="./ems_es_ec_q.html#ems_es_ec_q">Quantization</a><span class="headline-id">ems.es.ec.q</span>
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-</li>
-<li>
-<a href="./ems_es_ec_s.html#ems_es_ec_s">Structure</a><span class="headline-id">ems.es.ec.s</span>
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-<details>
-<summary>
-<a href="./ems_es_efo.html#ems_es_efo">Electric Force and Energy</a><span class="headline-id">ems.es.efo</span>
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-<a href="./ems_es_efo_cl.html#ems_es_efo_cl">Coulomb's Law</a><span class="headline-id">ems.es.efo.cl</span>
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-</li>
-<li>
-<a href="./ems_es_efo_ps.html#ems_es_efo_ps">Principle of Superposition</a><span class="headline-id">ems.es.efo.ps</span>
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-</li>
-<li>
-<a href="./ems_es_efo_exp.html#ems_es_efo_exp">Experimental Investigations</a><span class="headline-id">ems.es.efo.exp</span>
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-<li>
-<a href="./ems_es_efo_e.html#ems_es_efo_e">Energy in Systems of Point Charges</a><span class="headline-id">ems.es.efo.e</span>
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-<details>
-<summary>
-<a href="./ems_es_ef.html#ems_es_ef">Electrostatic Fields</a><span class="headline-id">ems.es.ef</span>
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-</summary>
-<ul>
-<li>
-<a href="./ems_es_ef_pc.html#ems_es_ef_pc">Electrostatic Field of Point Charges</a><span class="headline-id">ems.es.ef.pc</span>
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-<a href="./ems_es_ef_ccd.html#ems_es_ef_ccd">Electrostatic Field of Continuous Charge Distributions</a><span class="headline-id">ems.es.ef.ccd</span>
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-<a href="./ems_es_ep_fp.html#ems_es_ep_fp">Field in terms of the potential</a><span class="headline-id">ems.es.ep.fp</span>
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-<a href="./ems_es_c_ic.html#ems_es_c_ic">Induced Charges</a><span class="headline-id">ems.es.c.ic</span>
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-<a href="./ems_es_c_sc.html#ems_es_c_sc">Surface Charge and the Force on a Conductor</a><span class="headline-id">ems.es.c.sc</span>
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-<a href="./ems_ca_fe_L.html#ems_ca_fe_L">The Laplace Equation</a><span class="headline-id">ems.ca.fe.L</span>
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-<li>
-<a href="./ems_ca_fe_g.html#ems_ca_fe_g">Green's Identities</a><span class="headline-id">ems.ca.fe.g</span>
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-</li>
-<li>
-<a href="./ems_ca_fe_uP.html#ems_ca_fe_uP">Uniqueness of Solution to Poisson's Equation</a><span class="headline-id">ems.ca.fe.uP</span>
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-<details>
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-<a href="./ems_ca_mi.html#ems_ca_mi">The Method of Images</a><span class="headline-id">ems.ca.mi</span>
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-</summary>
-<ul>
-<li>
-<a href="./ems_ca_mi_isc.html#ems_ca_mi_isc">Induced Surface Charges</a><span class="headline-id">ems.ca.mi.isc</span>
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-</li>
-<li>
-<a href="./ems_ca_mi_fe.html#ems_ca_mi_fe">Force and Energy</a><span class="headline-id">ems.ca.mi.fe</span>
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-</li>
-<li>
-<a href="./ems_ca_mi_o.html#ems_ca_mi_o">Other Image Problems</a><span class="headline-id">ems.ca.mi.o</span>
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-</li>
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-
-<details>
-<summary>
-<a href="./ems_ca_me.html#ems_ca_me">The Multipole Expansion</a><span class="headline-id">ems.ca.me</span>
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-
-</summary>
-<ul>
-<li>
-<a href="./ems_ca_me_a.html#ems_ca_me_a">Approximate Potential at Large Distance</a><span class="headline-id">ems.ca.me.a</span>
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-<li>
-<a href="./ems_ca_me_md.html#ems_ca_me_md">Monopole and Dipole Terms</a><span class="headline-id">ems.ca.me.md</span>
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-<a href="./ems_ca_me_Ed.html#ems_ca_me_Ed">The Electric Field of a Dipole</a><span class="headline-id">ems.ca.me.Ed</span>
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-<a href="./ems_ms_lf_pc.html#ems_ms_lf_pc">Point Charges</a><span class="headline-id">ems.ms.lf.pc</span>
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-<a href="./ems_ms_lf_sc.html#ems_ms_lf_sc">Steady Currents</a><span class="headline-id">ems.ms.lf.sc</span>
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-<a href="./ems_ms_ce.html#ems_ms_ce">Charge Conservation and the Continuity Equation</a><span class="headline-id">ems.ms.ce</span>
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-</li>
-<li>
-<a href="./ems_ms_BS.html#ems_ms_BS">Steady Currents: the Biot-Savart Law</a><span class="headline-id">ems.ms.BS</span>
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-<a href="./ems_ms_dcB.html#ems_ms_dcB">Divergence and Curl of \({\bf B}\)</a><span class="headline-id">ems.ms.dcB</span>
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-<a href="./ems_ms_dcB_iw.html#ems_ms_dcB_iw">Simplistic case: infinite wire</a><span class="headline-id">ems.ms.dcB.iw</span>
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-</li>
-<li>
-<a href="./ems_ms_dcB_d.html#ems_ms_dcB_d">Divergence of \({\bf B}\) from Biot-Savart</a><span class="headline-id">ems.ms.dcB.d</span>
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-<a href="./ems_ms_dcB_c.html#ems_ms_dcB_c">Curl of \({\bf B}\) from Biot-Savart; Ampère's Law</a><span class="headline-id">ems.ms.dcB.c</span>
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-<a href="./ems_ms_vp.html#ems_ms_vp">The Vector Potential</a><span class="headline-id">ems.ms.vp</span>
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-<ul>
-<li>
-<a href="./ems_ms_vp_A.html#ems_ms_vp_A">Definition; Gauge Choices</a><span class="headline-id">ems.ms.vp.A</span>
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-<li>
-<a href="./ems_ms_vp_mbc.html#ems_ms_vp_mbc">Magnetic Boundary Conditions</a><span class="headline-id">ems.ms.vp.mbc</span>
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-</li>
-<li>
-<a href="./ems_ms_vp_me.html#ems_ms_vp_me">Multipole Expansion of the Vector Potential</a><span class="headline-id">ems.ms.vp.me</span>
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-</li>
-<li>
-<a href="./ems_ms_vp_comp.html#ems_ms_vp_comp">Comparison of Electrostatics and Magnetostatics</a><span class="headline-id">ems.ms.vp.comp</span>
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-</li>
-<li>
-<a href="./ems_ms_vp_LC.html#ems_ms_vp_LC">The Levi-Civita Symbol</a><span class="headline-id">ems.ms.vp.LC</span>
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-<a href="./emsm.html#emsm">Electromagnetostatics in matter</a><span class="headline-id">emsm</span>
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-<a href="./emsm_esm.html#emsm_esm">Electrostatics in matter</a><span class="headline-id">emsm.esm</span>
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-<ul>
-<li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<ul>
-<li class="toc-currentpage">
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
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-</li>
-<li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
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-<summary>
-<a href="./emsm_esm_D.html#emsm_esm_D">The Electric Displacement</a><span class="headline-id">emsm.esm.D</span>
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-</summary>
-<ul>
-<li>
-<a href="./emsm_esm_D_bc.html#emsm_esm_D_bc">Boundary Conditions</a><span class="headline-id">emsm.esm.D.bc</span>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
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-<a href="./emsm_msm_m_dpf.html#emsm_msm_m_dpf">Diamagnetism, Paramagnetism, Ferromagnetism</a><span class="headline-id">emsm.msm.m.dpf</span>
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-<a href="./emsm_msm_m_fdi.html#emsm_msm_m_fdi">Torques and Forces on Magnetic Dipoles</a><span class="headline-id">emsm.msm.m.fdi</span>
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-<a href="./emsm_msm_fmo_bc.html#emsm_msm_fmo_bc">Bound Currents</a><span class="headline-id">emsm.msm.fmo.bc</span>
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-<a href="./emsm_msm_fmo_pibc.html#emsm_msm_fmo_pibc">Physical Interpretation of Bound Currents</a><span class="headline-id">emsm.msm.fmo.pibc</span>
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-<a href="./emsm_msm_fmo_fim.html#emsm_msm_fmo_fim">The Magnetic Field Inside Matter</a><span class="headline-id">emsm.msm.fmo.fim</span>
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-<a href="./emsm_msm_H_A.html#emsm_msm_H_A">Ampère's Law in Magnetized Materials</a><span class="headline-id">emsm.msm.H.A</span>
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-<a href="./emsm_msm_lnlm_sp.html#emsm_msm_lnlm_sp">Magnetic Susceptibility and Permeability</a><span class="headline-id">emsm.msm.lnlm.sp</span>
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-<a href="./emsm_msm_lnlm_fm.html#emsm_msm_lnlm_fm">Ferromagnetism</a><span class="headline-id">emsm.msm.lnlm.fm</span>
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-<a href="./emd.html#emd">Electromagnetodynamics</a><span class="headline-id">emd</span>
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-<a href="./emd_Fl.html#emd_Fl">Induction: Faraday's Law</a><span class="headline-id">emd.Fl</span>
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-</summary>
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-<a href="./emd_Fl_Fl.html#emd_Fl_Fl">Faraday's Law</a><span class="headline-id">emd.Fl.Fl</span>
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-<a href="./emd_Fl_ief.html#emd_Fl_ief">The Induced Electric Field</a><span class="headline-id">emd.Fl.ief</span>
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-<a href="./emd_Fl_i.html#emd_Fl_i">Inductance</a><span class="headline-id">emd.Fl.i</span>
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-<a href="./emd_Fl_e.html#emd_Fl_e">Energy in Magnetic Fields</a><span class="headline-id">emd.Fl.e</span>
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-<a href="./emd_Me.html#emd_Me">Maxwell's Equations</a><span class="headline-id">emd.Me</span>
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-<li>
-<a href="./emd_Me_ebM.html#emd_Me_ebM">Electrodynamics Before Maxwell</a><span class="headline-id">emd.Me.ebM</span>
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-<a href="./emd_Me_dc.html#emd_Me_dc">Maxwell's Correction to Ampère's Law; the Displacement Current</a><span class="headline-id">emd.Me.dc</span>
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-<a href="./emd_Me_Me.html#emd_Me_Me">Maxwell's Equations</a><span class="headline-id">emd.Me.Me</span>
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-<a href="./emd_Me_mc.html#emd_Me_mc">Magnetic Charge</a><span class="headline-id">emd.Me.mc</span>
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-<a href="./emd_ce.html#emd_ce">Charge and Energy Flows</a><span class="headline-id">emd.ce</span>
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-<a href="./emd_ce_ce.html#emd_ce_ce">The Continuity Equation</a><span class="headline-id">emd.ce.ce</span>
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-<a href="./emd_ce_poy.html#emd_ce_poy">Poynting's Theorem; the Poynting Vector</a><span class="headline-id">emd.ce.poy</span>
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-<a href="./emd_ce_mst.html#emd_ce_mst">Maxwell's Stress Tensor</a><span class="headline-id">emd.ce.mst</span>
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-<a href="./emd_ce_mom.html#emd_ce_mom">Momentum</a><span class="headline-id">emd.ce.mom</span>
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-<a href="./emd_ce_amom.html#emd_ce_amom">Angular Momentum</a><span class="headline-id">emd.ce.amom</span>
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-<summary>
-<a href="./emd_emw.html#emd_emw">Electromagnetic waves in vacuum</a><span class="headline-id">emd.emw</span>
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-<li>
-<a href="./emd_emw_we.html#emd_emw_we">The Wave Equation</a><span class="headline-id">emd.emw.we</span>
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-<a href="./emd_emw_mpw.html#emd_emw_mpw">Monochromatic Plane Waves</a><span class="headline-id">emd.emw.mpw</span>
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-<a href="./emd_emw_ep.html#emd_emw_ep">Energy and Momentum</a><span class="headline-id">emd.emw.ep</span>
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-<a href="./emdm.html#emdm">Electromagnetodynamics in Matter</a><span class="headline-id">emdm</span>
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-</summary>
-<ul>
-<li>
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-<details>
-<summary>
-<a href="./emdm_Me.html#emdm_Me">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me</span>
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-</summary>
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-<li>
-<a href="./emdm_Me_Mem.html#emdm_Me_Mem">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me.Mem</span>
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-<a href="./emdm_Me_bc.html#emdm_Me_bc">Boundary Conditions</a><span class="headline-id">emdm.Me.bc</span>
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-<a href="./emdm_emwm.html#emdm_emwm">Electromagnetic Waves in Matter</a><span class="headline-id">emdm.emwm</span>
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-<a href="./emdm_emwm_plm.html#emdm_emwm_plm">Propagation in Linear Media</a><span class="headline-id">emdm.emwm.plm</span>
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-<a href="./emdm_emwm_refr.html#emdm_emwm_refr">Refraction</a><span class="headline-id">emdm.emwm.refr</span>
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-<a href="./emdm_emwm_refl.html#emdm_emwm_refl">Reflection and Transmission</a><span class="headline-id">emdm.emwm.refl</span>
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-<a href="./emdm_emwm_refl_ni.html#emdm_emwm_refl_ni">Normal Incidence</a><span class="headline-id">emdm.emwm.refl.ni</span>
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-<a href="./emdm_emwm_refl_oi.html#emdm_emwm_refl_oi">Oblique Incidence</a><span class="headline-id">emdm.emwm.refl.oi</span>
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-<a href="./emdm_emwm_refl_Fe.html#emdm_emwm_refl_Fe">Fresnel's Equations</a><span class="headline-id">emdm.emwm.refl.Fe</span>
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-<a href="./emdm_emwm_refl_Ba.html#emdm_emwm_refl_Ba">Brewster's Angle</a><span class="headline-id">emdm.emwm.refl.Ba</span>
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-<a href="./emdm_emwm_ad.html#emdm_emwm_ad">Absorption and Dispersion</a><span class="headline-id">emdm.emwm.ad</span>
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-<a href="./emdm_emwm_ad_c.html#emdm_emwm_ad_c">EM Waves in Conductors</a><span class="headline-id">emdm.emwm.ad.c</span>
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-<a href="./emdm_emwm_wg.html#emdm_emwm_wg">Waveguides</a><span class="headline-id">emdm.emwm.wg</span>
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-</summary>
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-<a href="./emdm_emwm_wg_gw.html#emdm_emwm_wg_gw">Guided waves</a><span class="headline-id">emdm.emwm.wg.gw</span>
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-<a href="./emdm_emwm_wg_r.html#emdm_emwm_wg_r">Rectangular Waveguides</a><span class="headline-id">emdm.emwm.wg.r</span>
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-<a href="./emdm_emwm_wg_c.html#emdm_emwm_wg_c">Coaxial Lines</a><span class="headline-id">emdm.emwm.wg.c</span>
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-</ul>
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-</ul>
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-<a href="./emf.html#emf">Electromagnetic Fields</a><span class="headline-id">emf</span>
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-<a href="./emf_svp.html#emf_svp">Scalar and Vector Potentials</a><span class="headline-id">emf.svp</span>
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-<details>
-<summary>
-<a href="./emf_g.html#emf_g">Gauge Freedom and Choices</a><span class="headline-id">emf.g</span>
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-<a href="./emf_g_Cg.html#emf_g_Cg">Coulomb Gauge</a><span class="headline-id">emf.g.Cg</span>
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-<li>
-<a href="./emf_g_Lg.html#emf_g_Lg">Lorenz Gauge; d'Alembertian; Inhomogeneous Maxwell Equations</a><span class="headline-id">emf.g.Lg</span>
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-</ul>
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-<a href="./red.html#red">Relativistic Electrodynamics</a><span class="headline-id">red</span>
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-</summary>
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-<details>
-<summary>
-<a href="./red_sr.html#red_sr">Special Relativity</a><span class="headline-id">red.sr</span>
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-<a href="./red_sr_p.html#red_sr_p">Postulates and their consequences</a><span class="headline-id">red.sr.p</span>
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-<a href="./red_sr_Lt.html#red_sr_Lt">Lorentz Transformations</a><span class="headline-id">red.sr.Lt</span>
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-<li>
-<a href="./red_sr_4v.html#red_sr_4v">Covariant and Contravariant Four-Vectors</a><span class="headline-id">red.sr.4v</span>
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-</ul>
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-<a href="./red_rm.html#red_rm">Relativistic Mechanics</a><span class="headline-id">red.rm</span>
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-</summary>
-<ul>
-<li>
-<a href="./red_rm_pt.html#red_rm_pt">Proper Time and Proper Velocity</a><span class="headline-id">red.rm.pt</span>
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-<li>
-<a href="./red_rm_rme.html#red_rm_rme">Relativistic Momentum and Energy</a><span class="headline-id">red.rm.rme</span>
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-</li>
-<li>
-<a href="./red_rm_Mf.html#red_rm_Mf">Relativistic version of Newton's Laws; the Minkowski Force</a><span class="headline-id">red.rm.Mf</span>
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-<details>
-<summary>
-<a href="./red_rem.html#red_rem">Relativistic Electromagnetism</a><span class="headline-id">red.rem</span>
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-</summary>
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-<li>
-<a href="./red_rem_mre.html#red_rem_mre">Magnetism as a Relativistic Effect</a><span class="headline-id">red.rem.mre</span>
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-<li>
-<a href="./red_rem_Ltf.html#red_rem_Ltf">Lorentz Transformation of Electromagnetic Fields</a><span class="headline-id">red.rem.Ltf</span>
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-<li>
-<a href="./red_rem_Fmunu.html#red_rem_Fmunu">The Field Tensor</a><span class="headline-id">red.rem.Fmunu</span>
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-<li>
-<a href="./red_rem_Me.html#red_rem_Me">Maxwell's Equations in Relativistic Notation</a><span class="headline-id">red.rem.Me</span>
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-<a href="./qed.html#qed">Quantum Electrodynamics</a><span class="headline-id">qed</span>
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-<ul>
-<li>
-<a href="./qed_t.html#qed_t">QED today</a><span class="headline-id">qed.t</span>
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-<details>
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-<li>
-<a href="./d_m.html#d_m">Diagnostics: Mathematical Preliminaries</a><span class="headline-id">d.m</span>
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-<li>
-<a href="./d_ems.html#d_ems">Diagnostics: Electromagnetostatics</a><span class="headline-id">d.ems</span>
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-<li>
-<a href="./d_ems_ca.html#d_ems_ca">Diagnostics: Calculating or Approximating the Electostatic Potential</a><span class="headline-id">d.ems.ca</span>
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-</li>
-<li>
-<a href="./d_emsm.html#d_emsm">Diagnostics: Electromagnetostatics in Matter</a><span class="headline-id">d.emsm</span>
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-</li>
-<li>
-<a href="./d_ems_ms.html#d_ems_ms">Diagnostics: Magnetostatics</a><span class="headline-id">d.ems.ms</span>
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-</li>
-<li>
-<a href="./d_emsm_msm.html#d_emsm_msm">Diagnostics: Magnetostatics in Matter</a><span class="headline-id">d.emsm.msm</span>
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-<li>
-<a href="./d_emd.html#d_emd">Diagnostics: Electromagnetodynamics</a><span class="headline-id">d.emd</span>
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-<a href="./d_emd_ce.html#d_emd_ce">Diagnostics: Conservation Laws</a><span class="headline-id">d.emd.ce</span>
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-<li>
-<a href="./d_emd_emw.html#d_emd_emw">Diagnostics: Electromagnetic Waves</a><span class="headline-id">d.emd.emw</span>
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-<li>
-<a href="./d_emf.html#d_emf">Diagnostics: Potentials, Gauges and Fields</a><span class="headline-id">d.emf</span>
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-<li>
-<a href="./d_red.html#d_red">Diagnostics: Relativistic Electrodynamics</a><span class="headline-id">d.red</span>
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-<details>
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-<a href="./a.html#a">Appendices</a><span class="headline-id">a</span>
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-<a href="./a_l.html#a_l">Literature</a><span class="headline-id">a.l</span>
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-<details>
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-<details>
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-<a href="./c_m.html#c_m">Mathematics</a><span class="headline-id">c.m</span>
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-<details>
-<summary>
-<a href="./c_m_va.html#c_m_va">Vector Analysis</a><span class="headline-id">c.m.va</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_va_n.html#c_m_va_n">Notation and algebraic properties</a><span class="headline-id">c.m.va.n</span>
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-<li>
-<a href="./c_m_va_sp.html#c_m_va_sp">Scalar product</a><span class="headline-id">c.m.va.sp</span>
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-</li>
-<li>
-<a href="./c_m_va_cp.html#c_m_va_cp">Cross product</a><span class="headline-id">c.m.va.cp</span>
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-</li>
-<li>
-<a href="./c_m_va_tp.html#c_m_va_tp">Triple Products</a><span class="headline-id">c.m.va.tp</span>
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-</li>
-<li>
-<a href="./c_m_va_pds.html#c_m_va_pds">Position, Displacement and Separation Vectors</a><span class="headline-id">c.m.va.pds</span>
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-</ul>
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-<li>
-
-<details>
-<summary>
-<a href="./c_m_dc.html#c_m_dc">Differential Calculus</a><span class="headline-id">c.m.dc</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_dc_g.html#c_m_dc_g">Gradient</a><span class="headline-id">c.m.dc.g</span>
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-</li>
-<li>
-<a href="./c_m_dc_del.html#c_m_dc_del">The \({\boldsymbol \nabla}\) Operator</a><span class="headline-id">c.m.dc.del</span>
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-</li>
-<li>
-<a href="./c_m_dc_div.html#c_m_dc_div">The Divergence</a><span class="headline-id">c.m.dc.div</span>
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-</li>
-<li>
-<a href="./c_m_dc_curl.html#c_m_dc_curl">The Curl</a><span class="headline-id">c.m.dc.curl</span>
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-</li>
-<li>
-<a href="./c_m_dc_pr.html#c_m_dc_pr">Product arguments</a><span class="headline-id">c.m.dc.pr</span>
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-</li>
-<li>
-<a href="./c_m_dc_d2.html#c_m_dc_d2">Second Derivatives</a><span class="headline-id">c.m.dc.d2</span>
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-</ul>
-</details>
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-
-<details>
-<summary>
-<a href="./c_m_ic.html#c_m_ic">Integral Calculus</a><span class="headline-id">c.m.ic</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_ic_lsv.html#c_m_ic_lsv">Line, Surface and Volume Integrals</a><span class="headline-id">c.m.ic.lsv</span>
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-</li>
-<li>
-<a href="./c_m_ic_ftc.html#c_m_ic_ftc">The Fundamental Theorem of Calculus</a><span class="headline-id">c.m.ic.ftc</span>
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-</li>
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-<a href="./c_m_ic_ftg.html#c_m_ic_ftg">The Fundamental Theorem for Gradients</a><span class="headline-id">c.m.ic.ftg</span>
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-</li>
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-<a href="./c_m_ic_gauss.html#c_m_ic_gauss">Gauss' Theorem</a><span class="headline-id">c.m.ic.gauss</span>
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-</li>
-<li>
-<a href="./c_m_ic_stokes.html#c_m_ic_stokes">Stokes' Theorem</a><span class="headline-id">c.m.ic.stokes</span>
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-<li>
-<a href="./c_m_ic_ip.html#c_m_ic_ip">Integration by Parts</a><span class="headline-id">c.m.ic.ip</span>
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-</details>
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-<a href="./c_m_cs.html#c_m_cs">Coordinate Systems</a><span class="headline-id">c.m.cs</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_cs_sph.html#c_m_cs_sph">Spherical Coordinates</a><span class="headline-id">c.m.cs.sph</span>
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-<a href="./c_m_cs_cyl.html#c_m_cs_cyl">Cylindrical Coordinates</a><span class="headline-id">c.m.cs.cyl</span>
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-<li>
-<a href="./c_m_cs_hyp.html#c_m_cs_hyp">Hyperbolic Coordinates</a><span class="headline-id">c.m.cs.hyp</span>
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-</details>
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-<a href="./c_m_dd.html#c_m_dd">Dirac delta Distribution</a><span class="headline-id">c.m.dd</span>
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-</summary>
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-<li>
-<a href="./c_m_dd_div.html#c_m_dd_div">The Divergence of \(\hat{\bf r}/r^2\)</a><span class="headline-id">c.m.dd.div</span>
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-<a href="./c_m_dd_1d.html#c_m_dd_1d">The One-Dimensional Dirac Delta Function</a><span class="headline-id">c.m.dd.1d</span>
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-<a href="./c_m_dd_3d.html#c_m_dd_3d">The Three-Dimensional Delta Function</a><span class="headline-id">c.m.dd.3d</span>
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-<a href="./c_m_vf.html#c_m_vf">Vector Fields</a><span class="headline-id">c.m.vf</span>
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-</summary>
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-<li>
-<a href="./c_m_vf_helm.html#c_m_vf_helm">The Helmholtz Theorem</a><span class="headline-id">c.m.vf.helm</span>
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-<a href="./c_m_vf_pot.html#c_m_vf_pot">Potentials</a><span class="headline-id">c.m.vf.pot</span>
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-</details>
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-<a href="./c_m_uf.html#c_m_uf">Useful Formulas</a><span class="headline-id">c.m.uf</span>
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-</summary>
-<ul>
-<li>
-<a href="./c_m_uf_cyl.html#c_m_uf_cyl">Cylindrical coordinates</a><span class="headline-id">c.m.uf.cyl</span>
-
-</li>
-<li>
-<a href="./c_m_uf_sph.html#c_m_uf_sph">Spherical coordinates</a><span class="headline-id">c.m.uf.sph</span>
-
-</li>
-<li>
-<a href="./c_m_uf_vi.html#c_m_uf_vi">Vector identities</a><span class="headline-id">c.m.uf.vi</span>
-
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-
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-</details>
-</li>
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-</details>
-</li>
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-</ul>
-</details>
-</li>
-
-</ul>
-</details>
-</nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm_fpo.html">The Field of a Polarized Object</a></li><li>Physical Interpretation of Bound Charges</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_fpo_fid.html">The Field Inside a Dielectric&emsp;<small>[emsm.esm.fpo.fid]</small></a></li><li>Up:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li></ul><div id="outline-container-emsm_esm_fpo_pibc" class="outline-5">
-<h5 id="emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges<a class="headline-permalink" href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
-  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
-  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
-</svg></a><span class="headline-id">emsm.esm.fpo.pibc</span></h5>
-<div class="outline-text-5" id="text-emsm_esm_fpo_pibc">
-<p>
-Surface charge and volume charge from polarization.
-</p>
-
-<p>
-Consider an initially neutral small volume \({\cal V}\) with closed surface \({\cal S}\).  When the external electric
-field is applied, the material in \({\cal V}\) will distort, and some charges will move across
-\({\cal S}\).  The leftover charge in \({\cal V}\) is simply the bound charge, and is
-the negative of the charge that has moved across the boundary \({\cal S}\),
-\[
-\int_{\cal V} d\tau \rho_b = -\oint_{\cal S} d{\bf a} \cdot {\bf P}
-\]
-Using the divergence theorem, and since this must hold for any volume, we recover
-\(\rho_b = - {\boldsymbol \nabla} \cdot {\bf P}\).
-</p>
-
-<p>
-Surface charge:  draw pictures of material near its boundary, with cancellations everywhere except on boundary.
-</p>
-
-<p>
-Volume charge:  drawing of diverging polarization.
-</p>
-</div>
-</div>
-
-
-
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_fpo_fid.html">The Field Inside a Dielectric&emsp;<small>[emsm.esm.fpo.fid]</small></a></li><li>Up:&nbsp;<a href="emsm_esm_fpo.html">The Field of a Polarized Object&emsp;<small>[emsm.esm.fpo]</small></a></li></ul>
-<br>
-<hr>
-<div class="license">
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank" class="m-2">
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-src="https://licensebuttons.net/l/by/4.0/80x15.png"/>
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-Except where otherwise noted, all content is licensed under a
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank">Creative Commons Attribution 4.0 International License</a>.
-</div>
-<div id="postamble" class="status">
-<p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
-<p class="validation"></p>
-</div>
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-</html>
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-<a href="./index.html" class="homepage-link">Pre-Quantum Electrodynamics</a>
-</h1>
-</header>
-<nav id="collapsed-table-of-contents">
-<details>
-<summary>
-Table of contents
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./in.html#in">Introduction</a><span class="headline-id">in</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./in_p.html#in_p">Preface</a><span class="headline-id">in.p</span>
-
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./in_t.html#in_t">Tips for the reader</a><span class="headline-id">in.t</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./in_t_l.html#in_t_l">Section and equation labelling</a><span class="headline-id">in.t.l</span>
-
-</li>
-<li>
-<a href="./in_t_c.html#in_t_c">Contextual colors</a><span class="headline-id">in.t.c</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems.html#ems">Electromagnetostatics</a><span class="headline-id">ems</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es.html#ems_es">Electrostatics</a><span class="headline-id">ems.es</span>
-
-
-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ec.html#ems_es_ec">Electric Charge</a><span class="headline-id">ems.es.ec</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ec_b.html#ems_es_ec_b">Basics</a><span class="headline-id">ems.es.ec.b</span>
-
-</li>
-<li>
-<a href="./ems_es_ec_c.html#ems_es_ec_c">Conservation</a><span class="headline-id">ems.es.ec.c</span>
-
-</li>
-<li>
-<a href="./ems_es_ec_q.html#ems_es_ec_q">Quantization</a><span class="headline-id">ems.es.ec.q</span>
-
-</li>
-<li>
-<a href="./ems_es_ec_s.html#ems_es_ec_s">Structure</a><span class="headline-id">ems.es.ec.s</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_efo.html#ems_es_efo">Electric Force and Energy</a><span class="headline-id">ems.es.efo</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_efo_cl.html#ems_es_efo_cl">Coulomb's Law</a><span class="headline-id">ems.es.efo.cl</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_ps.html#ems_es_efo_ps">Principle of Superposition</a><span class="headline-id">ems.es.efo.ps</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_exp.html#ems_es_efo_exp">Experimental Investigations</a><span class="headline-id">ems.es.efo.exp</span>
-
-</li>
-<li>
-<a href="./ems_es_efo_e.html#ems_es_efo_e">Energy in Systems of Point Charges</a><span class="headline-id">ems.es.efo.e</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ef.html#ems_es_ef">Electrostatic Fields</a><span class="headline-id">ems.es.ef</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ef_pc.html#ems_es_ef_pc">Electrostatic Field of Point Charges</a><span class="headline-id">ems.es.ef.pc</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_ccd.html#ems_es_ef_ccd">Electrostatic Field of Continuous Charge Distributions</a><span class="headline-id">ems.es.ef.ccd</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_cE.html#ems_es_ef_cE">The Curl of \({\bf E}\)</a><span class="headline-id">ems.es.ef.cE</span>
-
-</li>
-<li>
-<a href="./ems_es_ef_Gl.html#ems_es_ef_Gl">Gauss's Law: the divergence of \({\bf E}\)</a><span class="headline-id">ems.es.ef.Gl</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_ep.html#ems_es_ep">The Electrostatic Potential</a><span class="headline-id">ems.es.ep</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_ep_d.html#ems_es_ep_d">Definition</a><span class="headline-id">ems.es.ep.d</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_fp.html#ems_es_ep_fp">Field in terms of the potential</a><span class="headline-id">ems.es.ep.fp</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_ex.html#ems_es_ep_ex">Example calculations for the potential</a><span class="headline-id">ems.es.ep.ex</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_PL.html#ems_es_ep_PL">Poisson's and Laplace's Equations</a><span class="headline-id">ems.es.ep.PL</span>
-
-</li>
-<li>
-<a href="./ems_es_ep_bc.html#ems_es_ep_bc">Electrostatic Boundary Conditions</a><span class="headline-id">ems.es.ep.bc</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-<li>
-<a href="./ems_es_e.html#ems_es_e">Electrostatic Energy from the Potential</a><span class="headline-id">ems.es.e</span>
-
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./ems_es_c.html#ems_es_c">Conductors</a><span class="headline-id">ems.es.c</span>
-
-
-</summary>
-<ul>
-<li>
-<a href="./ems_es_c_p.html#ems_es_c_p">Properties</a><span class="headline-id">ems.es.c.p</span>
-
-</li>
-<li>
-<a href="./ems_es_c_ic.html#ems_es_c_ic">Induced Charges</a><span class="headline-id">ems.es.c.ic</span>
-
-</li>
-<li>
-<a href="./ems_es_c_sc.html#ems_es_c_sc">Surface Charge and the Force on a Conductor</a><span class="headline-id">ems.es.c.sc</span>
-
-</li>
-<li>
-<a href="./ems_es_c_cap.html#ems_es_c_cap">Capacitors</a><span class="headline-id">ems.es.c.cap</span>
-
-</li>
-
-</ul>
-</details>
-</li>
-
-</ul>
-</details>
-</li>
-<li>
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-<details>
-<summary>
-<a href="./ems_ca.html#ems_ca">Calculating or Approximating the Electrostatic Potential</a><span class="headline-id">ems.ca</span>
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-</summary>
-<ul>
-<li>
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-<summary>
-<a href="./ems_ca_fe.html#ems_ca_fe">Fundamental Equations for the Electrostatic Potential</a><span class="headline-id">ems.ca.fe</span>
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-</summary>
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-<li>
-<a href="./ems_ca_fe_L.html#ems_ca_fe_L">The Laplace Equation</a><span class="headline-id">ems.ca.fe.L</span>
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-<li>
-<a href="./ems_ca_fe_g.html#ems_ca_fe_g">Green's Identities</a><span class="headline-id">ems.ca.fe.g</span>
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-<a href="./ems_ca_fe_uP.html#ems_ca_fe_uP">Uniqueness of Solution to Poisson's Equation</a><span class="headline-id">ems.ca.fe.uP</span>
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-</ul>
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-<summary>
-<a href="./ems_ca_mi.html#ems_ca_mi">The Method of Images</a><span class="headline-id">ems.ca.mi</span>
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-</summary>
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-<a href="./ems_ca_mi_isc.html#ems_ca_mi_isc">Induced Surface Charges</a><span class="headline-id">ems.ca.mi.isc</span>
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-<a href="./ems_ca_mi_fe.html#ems_ca_mi_fe">Force and Energy</a><span class="headline-id">ems.ca.mi.fe</span>
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-<a href="./ems_ca_mi_o.html#ems_ca_mi_o">Other Image Problems</a><span class="headline-id">ems.ca.mi.o</span>
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-<a href="./ems_ca_sv.html#ems_ca_sv">Separation of Variables</a><span class="headline-id">ems.ca.sv</span>
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-<a href="./ems_ca_sv_car.html#ems_ca_sv_car">Cartesian Coordinates</a><span class="headline-id">ems.ca.sv.car</span>
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-<a href="./ems_ca_sv_cyl.html#ems_ca_sv_cyl">Cylindrical Coordinates</a><span class="headline-id">ems.ca.sv.cyl</span>
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-</ul>
-</details>
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-<li>
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-<details>
-<summary>
-<a href="./ems_ca_me.html#ems_ca_me">The Multipole Expansion</a><span class="headline-id">ems.ca.me</span>
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-</summary>
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-<li>
-<a href="./ems_ca_me_a.html#ems_ca_me_a">Approximate Potential at Large Distance</a><span class="headline-id">ems.ca.me.a</span>
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-<a href="./ems_ca_me_md.html#ems_ca_me_md">Monopole and Dipole Terms</a><span class="headline-id">ems.ca.me.md</span>
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-<a href="./ems_ca_me_h.html#ems_ca_me_h">Higher Moments</a><span class="headline-id">ems.ca.me.h</span>
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-<a href="./ems_ca_me_Ed.html#ems_ca_me_Ed">The Electric Field of a Dipole</a><span class="headline-id">ems.ca.me.Ed</span>
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-<li>
-<a href="./ems_ca_me_Eq.html#ems_ca_me_Eq">The Electric Field of a Quadrupole</a><span class="headline-id">ems.ca.me.Eq</span>
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-<summary>
-<a href="./ems_ms.html#ems_ms">Magnetostatics</a><span class="headline-id">ems.ms</span>
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-</summary>
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-<a href="./ems_ms_lf.html#ems_ms_lf">Charges in Motion: the Lorentz Force Law</a><span class="headline-id">ems.ms.lf</span>
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-<a href="./ems_ms_lf_pc.html#ems_ms_lf_pc">Point Charges</a><span class="headline-id">ems.ms.lf.pc</span>
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-<a href="./ems_ms_lf_sc.html#ems_ms_lf_sc">Steady Currents</a><span class="headline-id">ems.ms.lf.sc</span>
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-<li>
-<a href="./ems_ms_ce.html#ems_ms_ce">Charge Conservation and the Continuity Equation</a><span class="headline-id">ems.ms.ce</span>
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-<a href="./ems_ms_BS.html#ems_ms_BS">Steady Currents: the Biot-Savart Law</a><span class="headline-id">ems.ms.BS</span>
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-<a href="./ems_ms_dcB.html#ems_ms_dcB">Divergence and Curl of \({\bf B}\)</a><span class="headline-id">ems.ms.dcB</span>
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-<a href="./ems_ms_dcB_iw.html#ems_ms_dcB_iw">Simplistic case: infinite wire</a><span class="headline-id">ems.ms.dcB.iw</span>
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-<a href="./ems_ms_dcB_d.html#ems_ms_dcB_d">Divergence of \({\bf B}\) from Biot-Savart</a><span class="headline-id">ems.ms.dcB.d</span>
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-<a href="./ems_ms_dcB_c.html#ems_ms_dcB_c">Curl of \({\bf B}\) from Biot-Savart; Ampère's Law</a><span class="headline-id">ems.ms.dcB.c</span>
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-<summary>
-<a href="./ems_ms_vp.html#ems_ms_vp">The Vector Potential</a><span class="headline-id">ems.ms.vp</span>
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-<a href="./ems_ms_vp_A.html#ems_ms_vp_A">Definition; Gauge Choices</a><span class="headline-id">ems.ms.vp.A</span>
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-<li>
-<a href="./ems_ms_vp_mbc.html#ems_ms_vp_mbc">Magnetic Boundary Conditions</a><span class="headline-id">ems.ms.vp.mbc</span>
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-<li>
-<a href="./ems_ms_vp_me.html#ems_ms_vp_me">Multipole Expansion of the Vector Potential</a><span class="headline-id">ems.ms.vp.me</span>
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-</li>
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-<a href="./ems_ms_vp_comp.html#ems_ms_vp_comp">Comparison of Electrostatics and Magnetostatics</a><span class="headline-id">ems.ms.vp.comp</span>
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-<a href="./ems_ms_vp_LC.html#ems_ms_vp_LC">The Levi-Civita Symbol</a><span class="headline-id">ems.ms.vp.LC</span>
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-</ul>
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-<summary class="toc-open">
-<a href="./emsm.html#emsm">Electromagnetostatics in matter</a><span class="headline-id">emsm</span>
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-</summary>
-<ul>
-<li>
-
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-<summary class="toc-open">
-<a href="./emsm_esm.html#emsm_esm">Electrostatics in matter</a><span class="headline-id">emsm.esm</span>
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-</summary>
-<ul>
-<li class="toc-currentpage">
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<li>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
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-<li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
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-</li>
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-</ul>
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-<li>
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-<a href="./emsm_esm_D.html#emsm_esm_D">The Electric Displacement</a><span class="headline-id">emsm.esm.D</span>
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-<a href="./emsm_esm_D_bc.html#emsm_esm_D_bc">Boundary Conditions</a><span class="headline-id">emsm.esm.D.bc</span>
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-<li>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
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-</details>
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-
-</ul>
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-<a href="./emsm_msm.html#emsm_msm">Magnetostatics in matter</a><span class="headline-id">emsm.msm</span>
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-</summary>
-<ul>
-<li>
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-<summary>
-<a href="./emsm_msm_m.html#emsm_msm_m">Magnetization</a><span class="headline-id">emsm.msm.m</span>
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-<a href="./emsm_msm_m_dpf.html#emsm_msm_m_dpf">Diamagnetism, Paramagnetism, Ferromagnetism</a><span class="headline-id">emsm.msm.m.dpf</span>
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-</li>
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-<a href="./emsm_msm_m_fdi.html#emsm_msm_m_fdi">Torques and Forces on Magnetic Dipoles</a><span class="headline-id">emsm.msm.m.fdi</span>
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-<a href="./emsm_msm_a.html#emsm_msm_a">Effect of Magnetic Field on Atomic Orbits</a><span class="headline-id">emsm.msm.a</span>
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-<a href="./emsm_msm_fmo.html#emsm_msm_fmo">The Field of a Magnetized Object</a><span class="headline-id">emsm.msm.fmo</span>
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-</summary>
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-<a href="./emsm_msm_fmo_bc.html#emsm_msm_fmo_bc">Bound Currents</a><span class="headline-id">emsm.msm.fmo.bc</span>
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-</li>
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-<a href="./emsm_msm_fmo_pibc.html#emsm_msm_fmo_pibc">Physical Interpretation of Bound Currents</a><span class="headline-id">emsm.msm.fmo.pibc</span>
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-<a href="./emsm_msm_fmo_fim.html#emsm_msm_fmo_fim">The Magnetic Field Inside Matter</a><span class="headline-id">emsm.msm.fmo.fim</span>
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-</ul>
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-<li>
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-<a href="./emsm_msm_H.html#emsm_msm_H">The H Field</a><span class="headline-id">emsm.msm.H</span>
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-</summary>
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-<a href="./emsm_msm_H_A.html#emsm_msm_H_A">Ampère's Law in Magnetized Materials</a><span class="headline-id">emsm.msm.H.A</span>
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-<a href="./emsm_msm_lnlm.html#emsm_msm_lnlm">Linear and Nonlinear Media</a><span class="headline-id">emsm.msm.lnlm</span>
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-</summary>
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-<a href="./emsm_msm_lnlm_sp.html#emsm_msm_lnlm_sp">Magnetic Susceptibility and Permeability</a><span class="headline-id">emsm.msm.lnlm.sp</span>
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-</li>
-<li>
-<a href="./emsm_msm_lnlm_fm.html#emsm_msm_lnlm_fm">Ferromagnetism</a><span class="headline-id">emsm.msm.lnlm.fm</span>
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-</ul>
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-</ul>
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-</ul>
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-<summary>
-<a href="./emd.html#emd">Electromagnetodynamics</a><span class="headline-id">emd</span>
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-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./emd_Fl.html#emd_Fl">Induction: Faraday's Law</a><span class="headline-id">emd.Fl</span>
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-</summary>
-<ul>
-<li>
-<a href="./emd_Fl_Fl.html#emd_Fl_Fl">Faraday's Law</a><span class="headline-id">emd.Fl.Fl</span>
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-</li>
-<li>
-<a href="./emd_Fl_ief.html#emd_Fl_ief">The Induced Electric Field</a><span class="headline-id">emd.Fl.ief</span>
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-</li>
-<li>
-<a href="./emd_Fl_i.html#emd_Fl_i">Inductance</a><span class="headline-id">emd.Fl.i</span>
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-</li>
-<li>
-<a href="./emd_Fl_e.html#emd_Fl_e">Energy in Magnetic Fields</a><span class="headline-id">emd.Fl.e</span>
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-</li>
-
-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./emd_Me.html#emd_Me">Maxwell's Equations</a><span class="headline-id">emd.Me</span>
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-</summary>
-<ul>
-<li>
-<a href="./emd_Me_ebM.html#emd_Me_ebM">Electrodynamics Before Maxwell</a><span class="headline-id">emd.Me.ebM</span>
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-</li>
-<li>
-<a href="./emd_Me_dc.html#emd_Me_dc">Maxwell's Correction to Ampère's Law; the Displacement Current</a><span class="headline-id">emd.Me.dc</span>
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-</li>
-<li>
-<a href="./emd_Me_Me.html#emd_Me_Me">Maxwell's Equations</a><span class="headline-id">emd.Me.Me</span>
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-</li>
-<li>
-<a href="./emd_Me_mc.html#emd_Me_mc">Magnetic Charge</a><span class="headline-id">emd.Me.mc</span>
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-</ul>
-</details>
-</li>
-<li>
-
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-<summary>
-<a href="./emd_ce.html#emd_ce">Charge and Energy Flows</a><span class="headline-id">emd.ce</span>
-
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-</summary>
-<ul>
-<li>
-<a href="./emd_ce_ce.html#emd_ce_ce">The Continuity Equation</a><span class="headline-id">emd.ce.ce</span>
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-</li>
-<li>
-<a href="./emd_ce_poy.html#emd_ce_poy">Poynting's Theorem; the Poynting Vector</a><span class="headline-id">emd.ce.poy</span>
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-</li>
-<li>
-<a href="./emd_ce_mst.html#emd_ce_mst">Maxwell's Stress Tensor</a><span class="headline-id">emd.ce.mst</span>
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-</li>
-<li>
-<a href="./emd_ce_mom.html#emd_ce_mom">Momentum</a><span class="headline-id">emd.ce.mom</span>
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-</li>
-<li>
-<a href="./emd_ce_amom.html#emd_ce_amom">Angular Momentum</a><span class="headline-id">emd.ce.amom</span>
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-</li>
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-</ul>
-</details>
-</li>
-<li>
-
-<details>
-<summary>
-<a href="./emd_emw.html#emd_emw">Electromagnetic waves in vacuum</a><span class="headline-id">emd.emw</span>
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-</summary>
-<ul>
-<li>
-<a href="./emd_emw_we.html#emd_emw_we">The Wave Equation</a><span class="headline-id">emd.emw.we</span>
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-</li>
-<li>
-<a href="./emd_emw_mpw.html#emd_emw_mpw">Monochromatic Plane Waves</a><span class="headline-id">emd.emw.mpw</span>
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-</li>
-<li>
-<a href="./emd_emw_ep.html#emd_emw_ep">Energy and Momentum</a><span class="headline-id">emd.emw.ep</span>
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-</ul>
-</details>
-</li>
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-</ul>
-</details>
-</li>
-<li>
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-<summary>
-<a href="./emdm.html#emdm">Electromagnetodynamics in Matter</a><span class="headline-id">emdm</span>
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-</summary>
-<ul>
-<li>
-
-<details>
-<summary>
-<a href="./emdm_Me.html#emdm_Me">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me</span>
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-</summary>
-<ul>
-<li>
-<a href="./emdm_Me_Mem.html#emdm_Me_Mem">Maxwell's Equations in Matter</a><span class="headline-id">emdm.Me.Mem</span>
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-</li>
-<li>
-<a href="./emdm_Me_bc.html#emdm_Me_bc">Boundary Conditions</a><span class="headline-id">emdm.Me.bc</span>
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-</ul>
-</details>
-</li>
-<li>
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-<summary>
-<a href="./emdm_emwm.html#emdm_emwm">Electromagnetic Waves in Matter</a><span class="headline-id">emdm.emwm</span>
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-<li>
-<a href="./emdm_emwm_plm.html#emdm_emwm_plm">Propagation in Linear Media</a><span class="headline-id">emdm.emwm.plm</span>
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-<a href="./emdm_emwm_refr.html#emdm_emwm_refr">Refraction</a><span class="headline-id">emdm.emwm.refr</span>
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-<a href="./emdm_emwm_refl.html#emdm_emwm_refl">Reflection and Transmission</a><span class="headline-id">emdm.emwm.refl</span>
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-<li>
-<a href="./emdm_emwm_refl_ni.html#emdm_emwm_refl_ni">Normal Incidence</a><span class="headline-id">emdm.emwm.refl.ni</span>
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-</li>
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-<a href="./emdm_emwm_refl_oi.html#emdm_emwm_refl_oi">Oblique Incidence</a><span class="headline-id">emdm.emwm.refl.oi</span>
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-</li>
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-<a href="./emdm_emwm_refl_Fe.html#emdm_emwm_refl_Fe">Fresnel's Equations</a><span class="headline-id">emdm.emwm.refl.Fe</span>
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-</li>
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-<a href="./emdm_emwm_refl_Ba.html#emdm_emwm_refl_Ba">Brewster's Angle</a><span class="headline-id">emdm.emwm.refl.Ba</span>
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-</li>
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-</ul>
-</details>
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-<a href="./emdm_emwm_ad.html#emdm_emwm_ad">Absorption and Dispersion</a><span class="headline-id">emdm.emwm.ad</span>
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-<a href="./emdm_emwm_ad_c.html#emdm_emwm_ad_c">EM Waves in Conductors</a><span class="headline-id">emdm.emwm.ad.c</span>
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-</ul>
-</details>
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-<li>
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-<summary>
-<a href="./emdm_emwm_wg.html#emdm_emwm_wg">Waveguides</a><span class="headline-id">emdm.emwm.wg</span>
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-<a href="./emdm_emwm_wg_gw.html#emdm_emwm_wg_gw">Guided waves</a><span class="headline-id">emdm.emwm.wg.gw</span>
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-<a href="./emdm_emwm_wg_r.html#emdm_emwm_wg_r">Rectangular Waveguides</a><span class="headline-id">emdm.emwm.wg.r</span>
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-<a href="./emdm_emwm_wg_c.html#emdm_emwm_wg_c">Coaxial Lines</a><span class="headline-id">emdm.emwm.wg.c</span>
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-</ul>
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-</ul>
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-<summary>
-<a href="./emf.html#emf">Electromagnetic Fields</a><span class="headline-id">emf</span>
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-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li><a class="breadcrumb-link"href="emsm_esm.html">Electrostatics in matter</a></li><li>Polarization</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul><div id="outline-container-emsm_esm_p" class="outline-4">
-<h4 id="emsm_esm_p">Polarization<a class="headline-permalink" href="./emsm_esm_p.html#emsm_esm_p"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
-  <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
-  <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
-</svg></a><span class="headline-id">emsm.esm.p</span></h4>
-<div class="outline-text-4" id="text-emsm_esm_p">
-<p>
-How Electric Fields Influence Matter
-</p>
-
-
-
-<p>
-\paragraph{E fields on fundamental particles:}  complicated business.
-Quantum mechanics is obviously important here.
-In fact, the measured charge of an electron is a 'renormalized' charge
-(it depends on how closely you probe the electron, in other words at what collision/scattering
-energies you probe it). This goes beyond the current course, and needs the whole machinery
-of {\bf quantum electrodynamics}.
-</p>
-
-<p>
-For us here, we will assume that fundamental particles remain 'unchanged' in the presence of an E field,
-irrespective of how strong the latter is.
-</p>
-
-<p>
-\paragraph{Simple atoms:}  for example Hydrogen.
-We simply have a nucleus (proton) with an orbiting electron.
-The mass ratio between these is about 1800 to 1. To treat this, we'd need to start from the
-nonrelativistic Schr\"odinger equation for the electron (assuming we're in the center-of-mass frame)
-in the presence of a constant (for simplicity) external electric field \({\bf E}\):
-\[
--\frac{\hbar^2}{2m} {\boldsymbol \nabla}^2 \psi - \frac{e^2}{4\pi \varepsilon_0 r} \psi - e {\bf E} \cdot {\bf r} ~\psi = E \psi.
-\]
-As compared to the zero-field case, the energy levels are modified changed
-(by the Stark effect, linear and nonlinear (latter for case of hydrogen in fundamental level);
-see Landau Lifschitz, vol 3 nr 77).
-</p>
-
-<p>
-If the field is small, one can use perturbation theory. This gives an electric dipole moment of:
-\[
-{\bf p} = \langle \psi | (-e {\bf r}) | \psi \rangle = ... = \frac{9}{2} (4\pi \varepsilon_0 a_B^3) {\bf E}
-\]
-where \(a_B\) is the Bohr radius, \(a_B = \hbar^2/m e^2\).
-</p>
-
-<p>
-Although the numerical factor is not guessable, the overall form is:
-Le Ch\^atelier's principle tells us that the equilibrium position moves linearly with the strength of the
-perburtation.
-</p>
-
-<p>
-\paragraph{More complex atoms:}  we face a similar scenario.
-The nucleus is now relatively even heavier than each electron.
-At small fields, we can neglect nonlinear effects
-({\it e.g.} a given electron orbital change leading to changes in other orbitals).
-We still expect to have some induced dipole moment which increases linearly with the external field,
-\[
-{\bf p} = \alpha {\bf E}
-\]
-except that now we have to solve a much more complicated QM problem.
-The factor \(\alpha\) is an atom-specific number called the {\bf atomic polarizability}.
-</p>
-
-<p>
-\paragraph{Molecules:}  atoms can now 'share' electrons, so the charge distribution can become nontrivial.
-Example:  carbon dioxide, \(O - C - O\).  Higher polarizability along axis than perpendicular to axis.
-In totally non-symmetric case:  expect
-\[
-p_i = \sum_{j = x,y,z} \alpha_{ij} E_j
-\]
-where \(\alpha_{ij}\) is the {\bf polarizability tensor} of the molecule.  Always possible to use 'principal' axes
-such that all but 3 of the terms cancel.
-</p>
-
-<p>
-\paragraph{Polar molecules:} unlike individual atoms, molecules can have a permanent dipole moment.  These are called
-{\bf polar molecules}.  Example:  \(H Cl\) has elecronic density more closely bound on \(Cl\) than \(H\), so has a dipole
-moment pointing from \(Cl\) to \(H\).  Other example:  water, with \(105^\circ\) angle between the \(H^+\) and \(O^-\),
-dipole moment pointing from \(O^-\) along bisector.
-</p>
-
-<p>
-Torque on dipole:  if field is uniform, overall force on dipole cancels, but torque remains:
-</p>
-<div class="main div" id="org5a496a4">
-<p>
-{\bf Torque on a dipole:}
-\[
-     {\bf N} = {\bf p} \times {\bf E}
-     \label{Gr(4.4)}
-     \]
-</p>
-
-</div>
-<p>
-If field is non-uniform,
-\[
-   {\bf F} = {\bf F}_+ + {\bf F}_- = q({\bf E}_+ - {\bf E}_-) = q ({\bf d} \cdot {\boldsymbol \nabla}) {\bf E}
-   \]
-so
-</p>
-<div class="main div" id="orgedc230a">
-<p>
-\[
-   {\bf F} = ({\bf p} \cdot {\boldsymbol \nabla}) {\bf E}
-   \label{Gr(4.5)}
-   \]
-</p>
-
-</div>
-<p>
-Energy of dipole in electric field (Problem 4.7):
-\[
-\boxed{
-U = -{\bf p} \cdot {\bf E}
-}
-\label{Gr(4.6)}
-\]
-</p>
-
-<p>
-\paragraph{Many atoms:  gas and liquid phases:}  here, atoms or molecules are still more or less free from each other's influence
-as far as polarization is concerned.  Random thermal motion,
-external field gives preferential direction to polarization.
-The relationship is still linear.
-</p>
-
-<p>
-\paragraph{Many atoms:  solid phase:}  here, things can be more complicated.  Material can be insulating or conducting.
-If conducting:  external field makes charges move such that interior becomes equipotential.
-If insulating:  each constituent atom/molecule can pick up an induced polarization, polar molecules can tend to
-line up, crystal structure can be deformed, …
-</p>
-
-<p>
-For zero field, the solid can have either zero or nonzero polarization.  If nonzero:  we call this spontaneous polarization,
-or rather {\bf ferroelectricity} (after {\bf ferromagnetism}, which is the correspdonding magnetic phenomenon happening with iron).
-</p>
-</div>
-</div>
-
-
-
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li><li>Next:&nbsp;<a href="emsm_esm_di.html">Dielectrics&emsp;<small>[emsm.esm.di]</small></a></li><li>Up:&nbsp;<a href="emsm_esm.html">Electrostatics in matter&emsp;<small>[emsm.esm]</small></a></li></ul>
-<br>
-<hr>
-<div class="license">
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank" class="m-2">
-<img alt="Creative Commons License" style="border-width:0"
-src="https://licensebuttons.net/l/by/4.0/80x15.png"/>
-</a>
-Except where otherwise noted, all content is licensed under a
-<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
-target="_blank">Creative Commons Attribution 4.0 International License</a>.
-</div>
-<div id="postamble" class="status">
-<p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
-<p class="validation"></p>
-</div>
-
-
-</div>
-</html>
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 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1586,15 +1615,15 @@ Table of contents
 </ul>
 </details>
 </nav>
-<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li>Magnetostatics in matter</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_di_ld.html">Linear Dielectrics&emsp;<small>[emsm.esm.di.ld]</small></a></li><li>Next:&nbsp;<a href="emsm_msm_m.html">Magnetization&emsp;<small>[emsm.msm.m]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
+<ul class="breadcrumbs"><li><a class="breadcrumb-link"href="emsm.html">Electromagnetostatics in matter</a></li><li>Magnetostatics in matter</li></ul><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_ld_f.html">Forces on Dielectrics&emsp;<small>[emsm.esm.ld.f]</small></a></li><li>Next:&nbsp;<a href="emsm_msm_m.html">Magnetization&emsp;<small>[emsm.msm.m]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
 <h3 id="emsm_msm">Magnetostatics in matter<a class="headline-permalink" href="./emsm_msm.html#emsm_msm"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
   <path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
   <path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
 </svg></a><span class="headline-id">emsm.msm</span></h3>
 
 <div class="outline-text-3" id="text-emsm_msm">
-<details class="prereq" id="org81530db">
-<summary id="org1c8da29">
+<details class="prereq" id="org1228542">
+<summary id="org6608730">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1603,8 +1632,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="orgb3d6f8d">
-<summary id="orgde6cd84">
+<details class="objectives" id="orgf224c98">
+<summary id="org4d2cbd8">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1628,7 +1657,7 @@ Objectives
 <li><a href="emsm_msm_lnlm.html">Linear and Nonlinear Media</a><span class="headline-id">emsm.msm.lnlm</span></li>
 </ul>
 
-<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_di_ld.html">Linear Dielectrics&emsp;<small>[emsm.esm.di.ld]</small></a></li><li>Next:&nbsp;<a href="emsm_msm_m.html">Magnetization&emsp;<small>[emsm.msm.m]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
+<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="emsm_esm_ld_f.html">Forces on Dielectrics&emsp;<small>[emsm.esm.ld.f]</small></a></li><li>Next:&nbsp;<a href="emsm_msm_m.html">Magnetization&emsp;<small>[emsm.msm.m]</small></a></li><li>Up:&nbsp;<a href="emsm.html">Electromagnetostatics in matter&emsp;<small>[emsm]</small></a></li></ul>
 <br>
 <hr>
 <div class="license">
@@ -1643,7 +1672,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_H.html b/build/emsm_msm_H.html
index 8566fd1..85179a9 100644
--- a/build/emsm_msm_H.html
+++ b/build/emsm_msm_H.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_H_A.html b/build/emsm_msm_H_A.html
index a6facb9..7e7551a 100644
--- a/build/emsm_msm_H_A.html
+++ b/build/emsm_msm_H_A.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1606,7 +1635,7 @@ Ampère's law:
 \]
 so we can define
 </p>
-<div class="core div" id="orgf3adde0">
+<div class="core div" id="org38fa4c3">
 <p>
 \[
     {\bf H} \equiv \frac{1}{\mu_0} {\bf B} - {\bf M}
@@ -1618,7 +1647,7 @@ so we can define
 <p>
 and rewrite Ampère's law as
 </p>
-<div class="core div" id="org860497b">
+<div class="core div" id="org1f186fa">
 <p>
 \[
     {\boldsymbol \nabla} \times {\bf H} = {\bf J}_f
@@ -1630,7 +1659,7 @@ and rewrite Ampère's law as
 <p>
 or in integral form,
 </p>
-<div class="core div" id="org3a7ccc7">
+<div class="core div" id="orgf4bc93b">
 <p>
 \[
     \oint {\bf H} \cdot d{\bf l} = I_{f_{enc}}
@@ -1644,7 +1673,7 @@ or in integral form,
 rewrite Ampère's law in terms of free currents alone.  Bound currents come along for the ride.
 </p>
 
-<div class="example div" id="org51156db">
+<div class="example div" id="orgae85a06">
 <p>
 \paragraph{Example 6.2:}  long copper rod radius \({\bf R}\) carries uniformly distributed free current \(I\).
 Find \({\bf H}\) inside and outside rod.
@@ -1763,7 +1792,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_a.html b/build/emsm_msm_a.html
index f1f8177..4a79d72 100644
--- a/build/emsm_msm_a.html
+++ b/build/emsm_msm_a.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1654,7 +1683,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_fmo.html b/build/emsm_msm_fmo.html
index 243ea7d..9521814 100644
--- a/build/emsm_msm_fmo.html
+++ b/build/emsm_msm_fmo.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_fmo_bc.html b/build/emsm_msm_fmo_bc.html
index 69435c9..c4ce408 100644
--- a/build/emsm_msm_fmo_bc.html
+++ b/build/emsm_msm_fmo_bc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1603,7 +1632,7 @@ For a single dipole:  refer to \ref{Gr(5.83)} (vector potential of single dipole
 For a chunk of material with local magnetization \({\bf M} ({\bf r})\),
 by the principle of superposition we thus have:
 </p>
-<div class="main div" id="orgde4d17e">
+<div class="main div" id="org293c8c1">
 <p>
 \[
     {\bf A} ({\bf r}) = \frac{\mu_0}{4\pi} \int_{\cal V} d\tau' ~\frac{{\bf M} ({\bf r}') \times ({\bf r} - {\bf r}')}{|{\bf r} - {\bf r}'|^3}
@@ -1645,7 +1674,7 @@ Problem 1.61 b) (p.56):  leads to
 \]
 Reinterpretation:  first term: potential from volume current,
 </p>
-<div class="main div" id="org464cd7a">
+<div class="main div" id="org5be5663">
 <p>
 \[
     {\bf J}_b = {\boldsymbol \nabla} \times {\bf M}
@@ -1657,7 +1686,7 @@ Reinterpretation:  first term: potential from volume current,
 <p>
 second term:  potential from surface current,
 </p>
-<div class="main div" id="org7be16b0">
+<div class="main div" id="orgccad168">
 <p>
 \[
     {\bf K}_b = {\bf M} \times \hat{\bf n}
@@ -1669,7 +1698,7 @@ second term:  potential from surface current,
 <p>
 With these definitions,
 </p>
-<div class="main div" id="orgf6a38e1">
+<div class="main div" id="org4379c6a">
 <p>
 \[
   {\bf A} ({\bf r}) = \frac{\mu_0}{4\pi} ∫_{\cal V} dτ' \frac{{\bf J}_b ({\bf r}')}{|{\bf r} - {\bf r}'|}
@@ -1690,7 +1719,7 @@ in the volume and surface of the material.
 
 
 
-<div class="example div" id="org0f2d58f">
+<div class="example div" id="orge4aa513">
 <p>
 \paragraph{Example 6.1:}  find field of uniformly magnetized sphere.
 \paragraph{Solution:}  put z axis along \({\bf M}\).
@@ -1736,7 +1765,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_fmo_fim.html b/build/emsm_msm_fmo_fim.html
index e38e00f..0d84ba8 100644
--- a/build/emsm_msm_fmo_fim.html
+++ b/build/emsm_msm_fmo_fim.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1614,7 +1643,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_fmo_pibc.html b/build/emsm_msm_fmo_pibc.html
index 3794d1e..6b99b01 100644
--- a/build/emsm_msm_fmo_pibc.html
+++ b/build/emsm_msm_fmo_pibc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1617,7 +1646,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_lnlm.html b/build/emsm_msm_lnlm.html
index aa23bdb..d19c72a 100644
--- a/build/emsm_msm_lnlm.html
+++ b/build/emsm_msm_lnlm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1617,7 +1646,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_lnlm_fm.html b/build/emsm_msm_lnlm_fm.html
index 78bc91c..fd41950 100644
--- a/build/emsm_msm_lnlm_fm.html
+++ b/build/emsm_msm_lnlm_fm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1615,7 +1644,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_lnlm_sp.html b/build/emsm_msm_lnlm_sp.html
index c9588bf..957af83 100644
--- a/build/emsm_msm_lnlm_sp.html
+++ b/build/emsm_msm_lnlm_sp.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1597,7 +1626,7 @@ In para/diamagnets:  when \({\bf B}\) is removed, \({\bf M}\) disappears.  For n
 fields, proportionality.  Custom (slightly different than for dielectrics):
 {\bf magnetic susceptibility} \(\chi_m\) defined as
 </p>
-<div class="core div" id="orgc22ceee">
+<div class="core div" id="org96397c4">
 <p>
 \[
     {\bf M} = \chi_m {\bf H}
@@ -1655,7 +1684,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_m.html b/build/emsm_msm_m.html
index b5703c0..dea8ffe 100644
--- a/build/emsm_msm_m.html
+++ b/build/emsm_msm_m.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_m_dpf.html b/build/emsm_msm_m_dpf.html
index 2113961..6d3b159 100644
--- a/build/emsm_msm_m_dpf.html
+++ b/build/emsm_msm_m_dpf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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+
+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
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 </li>
 
@@ -1603,8 +1632,8 @@ Table of contents
 </p>
 </div>
 
-<div id="outline-container-org80c68dc" class="outline-6">
-<h6 id="org80c68dc"><a href="#org80c68dc">Why is Ferromagnetism such an intriguing phenomenon?</a></h6>
+<div id="outline-container-org56207d1" class="outline-6">
+<h6 id="org56207d1"><a href="#org56207d1">Why is Ferromagnetism such an intriguing phenomenon?</a></h6>
 </div>
 </div>
 
@@ -1628,7 +1657,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/emsm_msm_m_fdi.html b/build/emsm_msm_m_fdi.html
index c264f1f..4cc77f8 100644
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
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-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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 <li>
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+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1595,7 +1624,7 @@ Table of contents
 <p>
 Torque on magnetic dipole:
 </p>
-<div class="core div" id="org3154841">
+<div class="core div" id="orgbfd8f14">
 <p>
 \[
     {\bf N} = {\bf m} \times {\bf B}
@@ -1613,7 +1642,7 @@ Similar to electric analogue, \ref{Gr(4.4)}, \({\bf N} = {\bf p} \times {\bf E}\
 <p>
 In a non-uniform field: (to be done in Problem 6.4):
 </p>
-<div class="main div" id="orga230717">
+<div class="main div" id="orgf1c66bf">
 <p>
 \[
     {\bf F} = {\boldsymbol \nabla} ({\bf m} \cdot {\bf B})
@@ -1642,7 +1671,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/in.html b/build/in.html
index ad56579..5e64a99 100644
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+++ b/build/in.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
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+</li>
+<li>
+
+<details>
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+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
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 </li>
 
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/in_p.html b/build/in_p.html
index 63d0eb3..822ca37 100644
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+++ b/build/in_p.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
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 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
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-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1640,7 +1669,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/in_t.html b/build/in_t.html
index 99fd28a..e9b0f0b 100644
--- a/build/in_t.html
+++ b/build/in_t.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
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+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
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+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1617,7 +1646,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/in_t_c.html b/build/in_t_c.html
index cf04a5d..b6d7be4 100644
--- a/build/in_t_c.html
+++ b/build/in_t_c.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1597,8 +1626,8 @@ Throughout these lecture notes, boxes with contextual colors are used,
 serving specific purposes. These are:
 </p>
 
-<details class="prereq" id="org42dc10b">
-<summary id="orgcaf7ff8">
+<details class="prereq" id="org059971a">
+<summary id="org5d3a5ba">
 Prerequisites
 </summary>
 <p>
@@ -1611,8 +1640,8 @@ Specific prerequisites for understanding the upcoming material
 </ul>
 </details>
 
-<details class="objectives" id="org9bbed6f">
-<summary id="org5eb9075">
+<details class="objectives" id="org26b6b3e">
+<summary id="org814bd37">
 Objectives
 </summary>
 <p>
@@ -1625,8 +1654,8 @@ Objectives for this part: what you should learn by reading this
 </ul>
 </details>
 
-<details class="core" id="org27122ce">
-<summary id="orgeaaa2c2">
+<details class="core" id="org67a2b74">
+<summary id="org4738ac7">
 Core
 </summary>
 <p>
@@ -1634,8 +1663,8 @@ Core material: you have to know this by heart, and how to use it.
 </p>
 </details>
 
-<details class="main" id="org93c27a3">
-<summary id="orgeb9caac">
+<details class="main" id="org2692032">
+<summary id="org34cb574">
 Main
 </summary>
 <p>
@@ -1643,8 +1672,8 @@ Main matter which you should know how to use.
 </p>
 </details>
 
-<details class="example" id="orgfdd5af3">
-<summary id="orgf6b08ec">
+<details class="example" id="org9b3fc6d">
+<summary id="org8732a24">
 Example
 </summary>
 <p>
@@ -1652,8 +1681,8 @@ Example of the concepts just covered.
 </p>
 </details>
 
-<details class="info" id="org9a791e2">
-<summary id="org743a03f">
+<details class="info" id="org6d697a8">
+<summary id="org6ab4e45">
 Info
 </summary>
 <p>
@@ -1661,8 +1690,8 @@ Additional (contextual) information.
 </p>
 </details>
 
-<details class="context" id="org6701698">
-<summary id="org10cc89d">
+<details class="context" id="orgb5a856f">
+<summary id="org298dff8">
 Historical Context
 </summary>
 <p>
@@ -1688,7 +1717,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/in_t_l.html b/build/in_t_l.html
index 0dd0446..7769e13 100644
--- a/build/in_t_l.html
+++ b/build/in_t_l.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1652,7 +1681,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/index.html b/build/index.html
index be97710..29950f1 100644
--- a/build/index.html
+++ b/build/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1742,13 +1771,18 @@ Table of contents
 <li>
 <a href="./emsm_esm.html#emsm_esm">Electrostatics in matter</a><span class="headline-id">emsm.esm</span>
 <ul>
-<li><a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span></li>
-<li><a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span></li>
 <li>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 <ul>
-<li><a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span></li>
-<li><a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span></li>
+<li><a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span></li>
+<li><a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span></li>
+</ul>
+</li>
+<li>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+<ul>
+<li><a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span></li>
+<li><a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span></li>
 </ul>
 </li>
 <li>
@@ -1757,10 +1791,14 @@ Table of contents
 <li><a href="./emsm_esm_D_bc.html#emsm_esm_D_bc">Boundary Conditions</a><span class="headline-id">emsm.esm.D.bc</span></li>
 </ul>
 </li>
+<li><a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span></li>
 <li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 <ul>
-<li><a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span></li>
+<li><a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span></li>
+<li><a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span></li>
+<li><a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span></li>
+<li><a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span></li>
 </ul>
 </li>
 </ul>
@@ -2063,7 +2101,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/qed.html b/build/qed.html
index 206f01a..64801fb 100644
--- a/build/qed.html
+++ b/build/qed.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
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 <details>
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-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
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+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
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+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/qed_t.html b/build/qed_t.html
index c6735ab..de2d76a 100644
--- a/build/qed_t.html
+++ b/build/qed_t.html
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 <!DOCTYPE html>
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
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+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1611,7 +1640,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red.html b/build/red.html
index 53bdb2e..518ffb1 100644
--- a/build/red.html
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@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1593,8 +1622,8 @@ Table of contents
 </svg></a><span class="headline-id">red</span></h2>
 
 <div class="outline-text-2" id="text-red">
-<details class="prereq" id="orgf218e62">
-<summary id="org0a46e25">
+<details class="prereq" id="orgb3d288e">
+<summary id="orgb7468d4">
 Prerequisites
 </summary>
 <ul class="org-ul">
@@ -1602,8 +1631,8 @@ Prerequisites
 </ul>
 </details>
 
-<details class="objectives" id="orgdc4aa37">
-<summary id="org14941f3">
+<details class="objectives" id="org3c91a34">
+<summary id="org74136a9">
 Objectives
 </summary>
 <ul class="org-ul">
@@ -1646,7 +1675,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rem.html b/build/red_rem.html
index a91a201..cad4eaa 100644
--- a/build/red_rem.html
+++ b/build/red_rem.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
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 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1619,7 +1648,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rem_Fmunu.html b/build/red_rem_Fmunu.html
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+++ b/build/red_rem_Fmunu.html
@@ -1,7 +1,7 @@
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 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1662,7 +1691,7 @@ how the nonvanishing elements of an antisymmetric tensor transform:
 <p>
 Comparing with the transformation rules for the electromagnetic field which we obtained in (\ref{eq:EMFieldsLorentzTransfo}), we can define the
 </p>
-<div class="core div" id="org0914594">
+<div class="core div" id="org5b0d54b">
 <p>
 {\bf Electromagnetic Field Tensor}
 \[
@@ -1678,7 +1707,7 @@ Comparing with the transformation rules for the electromagnetic field which we o
 <p>
 together with the handy
 </p>
-<div class="main div" id="orgf18b440">
+<div class="main div" id="orga30461b">
 <p>
 {\bf Dual Field Tensor}
 \[
@@ -1702,7 +1731,7 @@ obtained from the field tensor by the substitution
 <p>
 Our electromagnetic field transformation laws then become the simple
 </p>
-<div class="core div" id="org69740f8">
+<div class="core div" id="org3f8156c">
 <p>
 {\bf Lorentz Transformation Rules for EM Fields}
 \[
@@ -1732,7 +1761,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rem_Ltf.html b/build/red_rem_Ltf.html
index c24b3bc..99d2ba1 100644
--- a/build/red_rem_Ltf.html
+++ b/build/red_rem_Ltf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1715,7 +1744,7 @@ These factors cancel so \(\bar{B}_x = B_x\).
 <p>
 We thus obtain the
 </p>
-<div class="core div" id="org29b8897">
+<div class="core div" id="org567be01">
 <p>
 {\bf EM field transformation laws (motion along \(x\) with velocity \(v\))}
 </p>
@@ -1772,7 +1801,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rem_Me.html b/build/red_rem_Me.html
index 41ee102..323739e 100644
--- a/build/red_rem_Me.html
+++ b/build/red_rem_Me.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1616,7 +1645,7 @@ We thus obtain
 \]
 Recognizing the proper velocity, we thus get that charge density and current density can together form the
 </p>
-<div class="core div" id="org9b4ea6e">
+<div class="core div" id="org877cdf7">
 <p>
 {\bf Current density 4-vector}
 \[
@@ -1629,7 +1658,7 @@ Recognizing the proper velocity, we thus get that charge density and current den
 <p>
 The continuity equation (\ref{eq:continuity}) takes the simple form
 </p>
-<div class="core div" id="org9936fb7">
+<div class="core div" id="orgbdad98c">
 <p>
 {\bf Continuity equation}
 \[
@@ -1641,7 +1670,7 @@ The continuity equation (\ref{eq:continuity}) takes the simple form
 <p>
 while similarly the notation simplifies for
 </p>
-<div class="main div" id="org7cd0769">
+<div class="main div" id="org38c52ec">
 <p>
 {\bf Maxwell's equations}
 \[
@@ -1656,7 +1685,7 @@ while similarly the notation simplifies for
 <p>
 In terms of \(F^{\mu \nu}\) and the proper velocity \(\eta^\mu\), we also have the
 </p>
-<div class="main div" id="org0bf6c7c">
+<div class="main div" id="org655b64a">
 <p>
 {\bf Minkowski force on a charge \(q\)}
 \[
@@ -1706,7 +1735,7 @@ the Lorenz gauge (\ref{eq:InhomogeneousMaxwellLorenzGauge}) here expressed as
 \]
 Defining the
 </p>
-<div class="main div" id="orgcf001aa">
+<div class="main div" id="org2ab0a6b">
 <p>
 {\bf d'Alembertian operator}
 \[
@@ -1719,7 +1748,7 @@ Defining the
 we obtain the final form of
 </p>
 
-<div class="core div" id="orgb586138">
+<div class="core div" id="org84f923a">
 <p>
 {\bf Maxwell's equations (Lorenz gauge, 4-vector notation)}
 \[
@@ -1751,7 +1780,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rem_mre.html b/build/red_rem_mre.html
index 484ea61..c0c0066 100644
--- a/build/red_rem_mre.html
+++ b/build/red_rem_mre.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1601,7 +1630,7 @@ implies the existence of magnetism, and vice-versa.
 <p>
 To illustrate this, we take a simple example
 </p>
-<aside id="org89bde73">
+<aside id="org99b6809">
 <p>
 See Purcell \&amp; Morin, section 5.9.
 </p>
@@ -1701,7 +1730,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rm.html b/build/red_rm.html
index e04891a..5ca61ff 100644
--- a/build/red_rm.html
+++ b/build/red_rm.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rm_Mf.html b/build/red_rm_Mf.html
index f11617b..9dd6673 100644
--- a/build/red_rm_Mf.html
+++ b/build/red_rm_Mf.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
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-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
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+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
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 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1595,7 +1624,7 @@ Table of contents
 <p>
 Newton's second law remains valid provided we use the relativistic momentum:
 </p>
-<div class="core div" id="orgd8d45ee">
+<div class="core div" id="orgd03e435">
 <p>
 {\bf Newton's law (relativistic case)}
 \[
@@ -1605,7 +1634,7 @@ Newton's second law remains valid provided we use the relativistic momentum:
 
 </div>
 
-<div class="example div" id="org829ca28">
+<div class="example div" id="org8c7df25">
 <p>
 \paragraph{Example 12.10: Motion under a constant force.} A particle
 of mass \(m\) is subjected to a constant force \(F\). If it starts at the
@@ -1696,7 +1725,7 @@ The way to avoid complicated transformation rules is to define a four-vector
 as the derivative of momentum with respect to proper time, which leads to
 the definition of the
 </p>
-<div class="main div" id="orgc00e89e">
+<div class="main div" id="org7c24e06">
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 {\bf Minkowski force}
 \[
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rm_pt.html b/build/red_rm_pt.html
index 11ac337..d95b55a 100644
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@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1608,7 +1637,7 @@ and this is called the {\bf ordinary velocity}.
 The {\bf proper velocity} is defined as the hybrid-frame quantity
 (distance as measured on the ground) divided by (proper time interval):
 </p>
-<div class="core div" id="org82cf862">
+<div class="core div" id="org246b185">
 <p>
 {\bf Proper velocity}
 \[
@@ -1630,7 +1659,7 @@ By adding the zeroth component
 \]
 we can define the
 </p>
-<div class="core div" id="org768b292">
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 {\bf four-velocity} or {\bf proper velocity four-vector}
 \[
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_rm_rme.html b/build/red_rm_rme.html
index 7f4840d..f8979d3 100644
--- a/build/red_rm_rme.html
+++ b/build/red_rm_rme.html
@@ -1,7 +1,7 @@
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
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-</li>
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 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
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+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
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+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
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 <li>
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+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
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 <p>
 The {\bf relativistic momentum} \({\boldsymbol p}\) is defined as
 \[
@@ -1614,7 +1643,7 @@ These can be combined into the {\bf energy-momentum four-vector}
 <p>
 When the object is stationary, its energy is the
 </p>
-<div class="core div" id="org9102a33">
+<div class="core div" id="org74c795e">
 <p>
 {\bf Rest energy}
 \[
@@ -1627,7 +1656,7 @@ When the object is stationary, its energy is the
 When moving, the difference between relativistic and rest energies
 is the
 </p>
-<div class="core div" id="org1feea72">
+<div class="core div" id="org98f2fb6">
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 {\bf Kinetic energy}
 \[
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 <p>
 In a closed system,
 </p>
-<div class="core div" id="org9619ef1">
+<div class="core div" id="org122f255">
 <p>
 {\bf Total relativistic energy and momentum is conserved}
 \[
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 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_sr.html b/build/red_sr.html
index 34789c6..bdf8c60 100644
--- a/build/red_sr.html
+++ b/build/red_sr.html
@@ -1,7 +1,7 @@
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 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1618,7 +1647,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_sr_4v.html b/build/red_sr_4v.html
index 3f8315c..a3780e1 100644
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@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
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-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1600,7 +1629,7 @@ Table of contents
 \]
 The Lorentz transformation then reads
 </p>
-<div class="core div" id="orga222bec">
+<div class="core div" id="orgc95b50a">
 <p>
 {\bf Lorentz transformation (motion along \(x\) at velocity \(v\))}
 \[
@@ -1636,7 +1665,7 @@ upper index are called {\it contravariant}. Their lower-index
 counterparts are called {\it covariant} vectors and are obtained by
 using the Minkowski metric \(g_{\mu \nu}\) according to
 </p>
-<div class="main div" id="orgb1d3b14">
+<div class="main div" id="orgb5dbbc3">
 <p>
 \[
     a_\mu = \sum_{\nu = 0}^3 g_{\mu \nu} a^\nu, \hspace{10mm}
@@ -1652,7 +1681,7 @@ using the Minkowski metric \(g_{\mu \nu}\) according to
 <p>
 \paragraph{Scalar products} are defined as the in-product of covariant/contravariant four-vectors,
 </p>
-<div class="main div" id="org892a52e">
+<div class="main div" id="orge599041">
 <p>
 \[
     \sum_{\mu = 0}^3 a^\mu b_\mu \equiv a^\mu b_\mu
@@ -1725,7 +1754,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_sr_Lt.html b/build/red_sr_Lt.html
index 58363b3..8b22c35 100644
--- a/build/red_sr_Lt.html
+++ b/build/red_sr_Lt.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1649,7 +1678,7 @@ where \(\bar{d}\) is the distance from \({\cal O}\) to \({\cal A}\) at time
 \]
 Solving these relations yields the dictionary for
 </p>
-<div class="core div" id="org3792a68">
+<div class="core div" id="org8cc4bc3">
 <p>
 {\bf Lorentz transformations (motion along \(x\) at velocity \(v\))}
 </p>
@@ -1688,7 +1717,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>
 
diff --git a/build/red_sr_p.html b/build/red_sr_p.html
index 89b8dfb..9e9f6ad 100644
--- a/build/red_sr_p.html
+++ b/build/red_sr_p.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-<!-- 2022-02-21 Mon 10:33 -->
+<!-- 2022-02-21 Mon 20:41 -->
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Pre-Quantum Electrodynamics</title>
@@ -706,28 +706,41 @@ Table of contents
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_p.html#emsm_esm_p">Polarization</a><span class="headline-id">emsm.esm.p</span>
-
-</li>
-<li>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
-
-</li>
-<li>
 
 <details>
 <summary>
-<a href="./emsm_esm_fpo.html#emsm_esm_fpo">The Field of a Polarized Object</a><span class="headline-id">emsm.esm.fpo</span>
+<a href="./emsm_esm_mE.html#emsm_esm_mE">Matter Bathed in E Fields; Polarization</a><span class="headline-id">emsm.esm.mE</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_fpo_pibc.html#emsm_esm_fpo_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.fpo.pibc</span>
+<a href="./emsm_esm_mE_o.html#emsm_esm_mE_o">Overview</a><span class="headline-id">emsm.esm.mE.o</span>
 
 </li>
 <li>
-<a href="./emsm_esm_fpo_fid.html#emsm_esm_fpo_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.fpo.fid</span>
+<a href="./emsm_esm_mE_P.html#emsm_esm_mE_P">Polarization</a><span class="headline-id">emsm.esm.mE.P</span>
+
+</li>
+
+</ul>
+</details>
+</li>
+<li>
+
+<details>
+<summary>
+<a href="./emsm_esm_po.html#emsm_esm_po">Polarized Objects; Bound Charges</a><span class="headline-id">emsm.esm.po</span>
+
+
+</summary>
+<ul>
+<li>
+<a href="./emsm_esm_po_pibc.html#emsm_esm_po_pibc">Physical Interpretation of Bound Charges</a><span class="headline-id">emsm.esm.po.pibc</span>
+
+</li>
+<li>
+<a href="./emsm_esm_po_fid.html#emsm_esm_po_fid">The Field Inside a Dielectric</a><span class="headline-id">emsm.esm.po.fid</span>
 
 </li>
 
@@ -750,18 +763,34 @@ Table of contents
 
 </ul>
 </details>
+</li>
+<li>
+<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+
 </li>
 <li>
 
 <details>
 <summary>
-<a href="./emsm_esm_di.html#emsm_esm_di">Dielectrics</a><span class="headline-id">emsm.esm.di</span>
+<a href="./emsm_esm_ld.html#emsm_esm_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.ld</span>
 
 
 </summary>
 <ul>
 <li>
-<a href="./emsm_esm_di_ld.html#emsm_esm_di_ld">Linear Dielectrics</a><span class="headline-id">emsm.esm.di.ld</span>
+<a href="./emsm_esm_ld_sp.html#emsm_esm_ld_sp">Susceptibility, Permittivity, Dielectric Constant</a><span class="headline-id">emsm.esm.ld.sp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_bvp.html#emsm_esm_ld_bvp">Boundary Value Problems with Linear Dielectrics</a><span class="headline-id">emsm.esm.ld.bvp</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_e.html#emsm_esm_ld_e">Energy in Dielectric Systems</a><span class="headline-id">emsm.esm.ld.e</span>
+
+</li>
+<li>
+<a href="./emsm_esm_ld_f.html#emsm_esm_ld_f">Forces on Dielectrics</a><span class="headline-id">emsm.esm.ld.f</span>
 
 </li>
 
@@ -1627,7 +1656,7 @@ and we get
 \]
 so the time interval in the train is shorter, namely there is a
 </p>
-<div class="core div" id="orgeea6e74">
+<div class="core div" id="orgda338e9">
 <p>
 {\bf Time dilation factor}
 \[
@@ -1664,7 +1693,7 @@ and thus
 \]
 Using the time dilation relation then gives
 </p>
-<div class="core div" id="org91e80bc">
+<div class="core div" id="org1b65e99">
 <p>
 {\bf Lorentz contraction}
 \[
@@ -1697,7 +1726,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
 </div>
 <div id="postamble" class="status">
 <p class="author">Author: Jean-Sébastien Caux</p>
-<p class="date">Created: 2022-02-21 Mon 10:33</p>
+<p class="date">Created: 2022-02-21 Mon 20:41</p>
 <p class="validation"></p>
 </div>