Commit 4209d608 authored by T. van der Sar's avatar T. van der Sar
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Update 4_ZPFs.md - typo

parent 7b5a853f
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......@@ -61,7 +61,7 @@ Imagine an empty box that contains electromagnetic radiation. Classically, each
Associated with every electric field $\vec{E}$, there is a magnetic field $\vec{B}$ that oscillates out of phase with respect to the electric field (this follows from Maxwell's Equations). The total energy is given by:
$$
E = \int (\epsilon_0 |\vec{E}|^2 + \mu_0 |\vec{B}|^2) d^3 x
E = \frac{1}{2}\int (\epsilon_0 |\vec{E}|^2 + \mu_0 |\vec{B}|^2) d^3 x
$$
For a given mode, this will be proportional to:
......
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