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arXiv physics/0312025physics.plasm-phphysics.class-ph
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静电波

An Electrostatic Wave

Kirk T. McDonald

摘要:

一般来说,麦克斯韦方程组要求一个电场波伴随着一个磁场波,反之亦然。然而,如果电位移D为零,则有可能在具有平行于波矢量k的电场E的电介质中具有平面波(纵波),而没有随时间变化的磁场。我们举一个等离子体物理的例子:所谓的伯恩斯坦波。

英文摘要:

In general, Maxwell's equations require that a wave of electric field be accompanied by a wave of magnetic field, and vice versa. However, it is possible to have a plane wave in a dielectric medium with electric field E parallel to the wave vector k (a longitudinal wave) with no time-dependent magnetic field provided the electric displacement D is zero. We give an example from plasma physics: the so-called Bernstein wave.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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