Energy and Power Flow of a Wave in a Moving Dispersive Medium
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概要
- 論文の詳細を見る
The transformation laws have been derived for the energy density W, the power-flow density S and the time rate of energy density dissipation Q of a wave in an anisotropic dispersive medium which is in motion. It has been found that to the zeroth order in ε^^∼^a (antihermitian part of the reduced permittivity) the action density W/ω (ω is the frequency) and the action-flow density S/ω transform in the same way as the energy and momentum of a particle do relativistically. Response of a medium against motion of a test charge immersed in the medium is calculated and conditions in which the negative-energy wave behaves as an active was are discussed.
- 社団法人日本物理学会の論文
- 1969-02-05
著者
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Musha Toshimitsu
Department Of Applied Electronics Tokyo Institute Of Technology
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Agu Masahiro
Department Of Electronics Faculty Of Engineering Ibaraki University
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Musha Toshimitsu
Department Of Physical Electronics Tokyo Institute Of Technology
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Agu Masahiro
Department Of Electrical And Electronic Engineering Ibaraki University
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