Yen-Lin Chen added subsection_AC_Conductivity_If_the__.tex  over 8 years ago

Commit id: 880988ae78dec5053cf5baeef4fb268d7c421b41

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\subsection{AC Conductivity}  If the applied voltage is a small pure AC signal with $V_{dc}=0$ and $|V_{ac}|  \begin{equation}  \sigma()  \end{equation}