Update 2022-03-24 08:43
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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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<!-- 2022-03-22 Tue 10:52 -->
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<!-- 2022-03-24 Thu 08:42 -->
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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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@@ -1293,7 +1293,7 @@ Table of contents
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</summary>
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<ul>
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<li>
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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="./qed_L.html#qed_L">Lagrangian</a><span class="headline-id">qed.L</span>
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</li>
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@@ -1616,15 +1616,15 @@ Table of contents
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<p>
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For many substances: polarization is proportional to field, at least if the latter isn't too strong:
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</p>
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<div class="main div" id="orgca50808">
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<div class="eqlabel" id="org6b1486e">
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<div class="main div" id="org918205a">
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<div class="eqlabel" id="org76e0bb4">
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<p>
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<a id="PchiE"></a><a href="./emsm_esm_ld_sp.html#PchiE"><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="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"/>
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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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</svg></a>
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</p>
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<div class="alteqlabels" id="org0fb5cad">
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<div class="alteqlabels" id="org15f84a2">
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<ul class="org-ul">
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<li>Gr (4.30)</li>
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</ul>
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@@ -1661,15 +1661,15 @@ In linear dielectrics:
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\]
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so
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</p>
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<div class="main div" id="orgac075e9">
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<div class="eqlabel" id="orge6ef08e">
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<div class="main div" id="org4bf8e19">
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<div class="eqlabel" id="org8eba014">
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<p>
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<a id="DepsE"></a><a href="./emsm_esm_ld_sp.html#DepsE"><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="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"/>
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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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</svg></a>
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</p>
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<div class="alteqlabels" id="orgd3687f6">
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<div class="alteqlabels" id="org6d6db57">
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<ul class="org-ul">
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<li>Gr (4.32)</li>
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</ul>
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@@ -1690,14 +1690,14 @@ where \(\varepsilon\) is called the <b>permittivity</b> of the material.
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In vacuum, susceptibility is zero,
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permittivity is \(\varepsilon_0\). Also,
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</p>
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<div class="eqlabel" id="org7b81d68">
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<div class="eqlabel" id="org44480e1">
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<p>
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<a id="epsr"></a><a href="./emsm_esm_ld_sp.html#epsr"><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="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"/>
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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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</svg></a>
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</p>
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<div class="alteqlabels" id="orgd11960a">
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<div class="alteqlabels" id="org820fcc3">
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<ul class="org-ul">
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<li>Gr (4.34)</li>
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</ul>
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@@ -1716,7 +1716,7 @@ This is all just nomenclature, everything is already in <a href="./emsm_esm_ld_s
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<div class="example div" id="org94c117c">
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<div class="example div" id="org96b31be">
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<p>
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<b>Example: metal sphere with insulator shell</b>
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</p>
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@@ -1790,7 +1790,7 @@ entirely filled with a homogeneous linear dielectric, but then this is just like
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a vacuum with a different permittivity.
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</p>
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<div class="example div" id="org9b0a9fc">
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<div class="example div" id="orgf706821">
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<p>
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<b>Example: parallel-plate capacitor filled with dielectric material</b>
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</p>
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@@ -1839,7 +1839,7 @@ 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: 2022-03-22 Tue 10:52</p>
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<p class="date">Created: 2022-03-24 Thu 08:42</p>
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<p class="validation"></p>
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</div>
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