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DeathbyGreen
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Maybe someone can help me out; I've been seeing conflicting information on the meaning behind optical conductivity vs AC conductivity. Some papers seem to post plots of transmission and reflectivity, and others a Drude-like [itex] \sigma(\omega)[/itex]. In many textbooks I can't seem to find a satisfactory answer.
If we start with a system under a field [itex] E(t) = Ee^{i\omega t}[/itex], solve the Drude model to get [itex] \sigma(\omega)[/itex], is this an expression for optical conductivity or AC? And what are the geometries of both?
If we start with a system under a field [itex] E(t) = Ee^{i\omega t}[/itex], solve the Drude model to get [itex] \sigma(\omega)[/itex], is this an expression for optical conductivity or AC? And what are the geometries of both?