## arXiv Analytics

### arXiv:1806.05158 [physics.class-ph]AbstractReferencesReviewsResources

#### Canonical Models of Dielectric Response

Published 2018-06-13Version 1

The interaction of electromagnetic fields with a solid is characterized by several interconnected response functions: the dielectric function $\varepsilon(\omega)$, index of refraction $N(\omega)$, conductivity $\sigma(\omega)$, and optical impedance $Z(\omega)$. Here we utilize three canonical models of dielectric response -- the damped harmonic oscillator, Debye polarization response, and the Drude model -- to discuss these four optical response functions. Special emphasis is devoted to the response of a Drude metal. Our main focus is on electromagnetic wave propagation through a material. We also discuss the relaxation of charge fluctuations within the context of the three canonical models of response.

Comments: 66 pages, 20 figures, 40 exercises
Categories: physics.class-ph
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