Update 2022-02-08 17:21
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@@ -1,7 +1,7 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<!-- 2022-02-08 Tue 06:55 -->
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<!-- 2022-02-08 Tue 17:21 -->
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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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@@ -272,6 +272,10 @@ Table of contents
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</summary>
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<ul>
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<li>
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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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</li>
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<li>
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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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</li>
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@@ -736,7 +740,7 @@ Table of contents
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</li>
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<li>
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<a href="./emsm_esm_d.html#emsm_esm_d">Dielectrics</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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</li>
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<li>
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@@ -1622,7 +1626,7 @@ Table of contents
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<p>
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Field due to polarization: effectively comes from bound surface and volume charges,
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</p>
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<div class="main div" id="orgaf6a210">
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<div class="main div" id="org9531944">
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<p>
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\[
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\rho_b = -{\boldsymbol \nabla} \cdot {\bf P}, \hspace{1cm} \sigma_b = {\bf P} \cdot \hat{\bf n}.
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@@ -1651,7 +1655,7 @@ Convenient way of writing:
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\]
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Defining the
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</p>
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<div class="core div" id="org0d19c33">
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<div class="core div" id="org98901f4">
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<p>
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<b>Electric displacement</b> \({\bf D}\)
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\[
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@@ -1664,7 +1668,7 @@ Defining the
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<p>
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Gauss's law becomes
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</p>
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<div class="core div" id="orgba9d147">
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<div class="core div" id="org49dea26">
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<p>
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\[
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{\boldsymbol \nabla} \cdot {\bf D} = \rho_f
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@@ -1676,7 +1680,7 @@ Gauss's law becomes
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<p>
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or in integral form
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</p>
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<div class="core div" id="org0c70c15">
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<div class="core div" id="orgf2cfa4b">
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<p>
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\[
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\oint d{\bf a} \cdot {\bf D} = Q_{f_{enc}}
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@@ -1686,7 +1690,7 @@ or in integral form
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</div>
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<div class="example div" id="org648a1d1">
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<div class="example div" id="orgb3982f7">
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<p>
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\paragraph{Example 4.4:} long straight wire, uniform line charge \(\lambda\), surrounded by rubber insulation
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to radius \(a\). Find \({\bf D}\).
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@@ -1734,7 +1738,7 @@ There is not 'potential' for \({\bf D}\).
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<hr><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: 2022-02-08 Tue 06:55</p>
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<p class="date">Created: 2022-02-08 Tue 17:21</p>
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<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
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</div>
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