Update 2022-03-02 15:47
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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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<!-- 2022-03-01 Tue 08:14 -->
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<!-- 2022-03-02 Wed 15:45 -->
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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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@@ -1633,7 +1633,7 @@ In free space, where \(\rho\) and \({\bf J}\) vanish:
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<p>
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Symmetry: replace \({\bf E}\) by \({\bf B}\) and \({\bf B}\) by \(-\mu_0 \varepsilon_0{\bf E}\) in the first pair.
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They turn into the second pair. This symmetry is spoiled by \(\rho\) and \({\bf J}\). What if we had
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a truly symmetric situation, {\it i.e.}
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a truly symmetric situation, <i>i.e.</i>
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</p>
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\begin{align}
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(i) &{\boldsymbol \nabla} \cdot {\bf E} = \frac{\rho_e}{\varepsilon_0},
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@@ -1650,7 +1650,7 @@ of magnetic charge. Both charges would be conserved:
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{\boldsymbol \nabla} \cdot {\bf J}_e = -\frac{\partial \rho_e}{\partial t}.
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\label{Gr(7.44)}
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\]
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Maxwell's equations {\bf beg} for magnetic charges. But we've never found any!
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Maxwell's equations <i>beg</i> for magnetic charges. But we've never found any!
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</p>
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</div>
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</div>
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@@ -1671,7 +1671,7 @@ 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: 2022-03-01 Tue 08:14</p>
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<p class="date">Created: 2022-03-02 Wed 15:45</p>
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<p class="validation"></p>
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</div>
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