I'm studying the dispersive properties of metals using Lorentz-Drude model, but I'm confused about the equation set-up.(adsbygoogle = window.adsbygoogle || []).push({});

What is LD model different from the classical dielectric function using for other dielectrics? Namely: ε(w) = ε’ + iε’' where the imaginary part is the attenuation.

In LD model, ε is composed of intraband (free-electron) effects and interband (bound-electron) effects. Physically what do they mean?

Thanks for the help!

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# The dielectric function of a metal using LD model.

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