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For questions about materials which allow the flow of an electric charge (electrical conductors) or the transfer of heat (thermal conductors) through them.

1 vote

What is the dielectric constant of a pure conductor?

Drude formula is not so bad for real metals: $\varepsilon(\lambda) = 1 - \frac{1}{\frac{\lambda_p}{\lambda}(\frac{\lambda_p}{\lambda} + i \gamma)}$, where $\lambda$ is the wavelength in the vacuum. Fo …
Fabrice Pardo's user avatar