An electromagnetic wave with wave vector k = q + i propagates in simple matter with index

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An electromagnetic wave with wave vector k = q + iκ propagates in simple matter with index of refraction n. Prove that the phase velocity of this wave is always less than c/n.

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Modern Electrodynamics

ISBN: 9780521896979

1st Edition

Authors: Andrew Zangwill

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Question Posted: Jul 30, 2023 08:43 AM

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An electromagnetic wave with wave vector k = q + i propagates in simple matter with index

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Modern Electrodynamics

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