Update 2022-02-09 22:41
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- 2022-02-09 Wed 07:31 -->
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<!-- 2022-02-09 Wed 22:40 -->
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Pre-Quantum Electrodynamics</title>
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@@ -408,17 +408,13 @@ Table of contents
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<li>
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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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</li>
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<li>
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<a href="./ems_es_ep_c.html#ems_es_ep_c">Comments on the Electrostatic Potential</a><span class="headline-id">ems.es.ep.c</span>
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</li>
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<li>
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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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</li>
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<li>
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<a href="./ems_es_ep_PL.html#ems_es_ep_PL">The Poisson Equation and the Laplace Equation</a><span class="headline-id">ems.es.ep.PL</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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</li>
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<li>
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@@ -430,29 +426,8 @@ Table of contents
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</details>
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</li>
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<li>
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<details>
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<summary>
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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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</summary>
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<ul>
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<li>
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<a href="./ems_es_e_pcd.html#ems_es_e_pcd">The Energy of a Point Charge Distribution</a><span class="headline-id">ems.es.e.pcd</span>
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</li>
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<li>
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<a href="./ems_es_e_ccd.html#ems_es_e_ccd">The Energy of a Continuous Charge Distribution</a><span class="headline-id">ems.es.e.ccd</span>
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</li>
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<li>
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<a href="./ems_es_e_c.html#ems_es_e_c">Comments on Electrostatic Energy</a><span class="headline-id">ems.es.e.c</span>
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</li>
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</ul>
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</details>
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</li>
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<li>
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@@ -1625,7 +1600,7 @@ Table of contents
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<p>
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In spherical coordinates, the Laplace equation takes the following form:
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</p>
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<div class="main div" id="org22e7f15">
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<div class="main div" id="org8d28442">
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<p>
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</p>
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@@ -1786,7 +1761,7 @@ Ex.: second solution for \(l = 0\) is
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<p>
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General solution to problem with azimuthal symmetry:
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</p>
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<div class="main div" id="org1447aa6">
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<div class="main div" id="org56120f8">
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<p>
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\[
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V(r,\theta) = \sum_{l=0}^{\infty} \left( A_l r^l + \frac{B_l}{r^{l+1}} \right) P_l (\cos \theta)
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@@ -1798,7 +1773,7 @@ General solution to problem with azimuthal symmetry:
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<div class="example div" id="orgfbd5cb1">
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<div class="example div" id="orgc839e25">
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<p>
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<b>Example: separation of variables (spherical coordinates)</b>
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</p>
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@@ -1890,7 +1865,7 @@ V(r, \theta) = \frac{k}{2} (1 - \frac{r}{R} \cos \theta).
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</p>
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<div class="example div" id="orgc4263f1">
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<div class="example div" id="orgbd87df3">
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<p>
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<b>Example: surface charge density on sphere</b>
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</p>
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@@ -1935,7 +1910,7 @@ Since Legendre polynomials are orthogonal,
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B_l^> = A_l^< R^{2l + 1}.
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\label{Gr(3.81)}
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\]
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Surface charge induces discontinuity in derivative of \(V\) from (\ref{Gr(2.36)}):
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Surface charge induces discontinuity in derivative of \(V\) from <a href="./ems_es_ep_bc.html#dpdisc">dpdisc</a>:
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</p>
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<p>
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@@ -2019,7 +1994,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
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</div>
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<div id="postamble" class="status">
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<p class="author">Author: Jean-Sébastien Caux</p>
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<p class="date">Created: 2022-02-09 Wed 07:31</p>
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<p class="date">Created: 2022-02-09 Wed 22:40</p>
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<p class="validation"></p>
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</div>
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