Energy Relations for Plane Waves Reflected from Moving Media

P. Daly, Harry Gruenberg

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Abstract

When a plane wave is obliquely incident from vacuum on a semi-infinite moving medium, the energy flow carried by the incident wave, is in general, not carried away by the reflected and transmitted waves. This is only the case when the medium velocity is parallel to its vacuum interface. Otherwise there is a net inflow or outflow of electromagnetic energy, which can be accounted for by the change of stored energy in the system, and the work done by the mechanical forces acting on the medium. A detailed energy balance is drawn up for two different media moving normal to their vacuum interfaces: (a) a moving conductor and (b) a moving dielectric. ©1967 The American Institute of Physics
Original languageEnglish
JournalJournal of Applied Physics
Volume38
Issue number11
Pages (from-to)4486-4489
ISSN0021-8979
DOIs
Publication statusPublished - 1967

Bibliographical note

Copyright (1967) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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