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首页> 外文期刊>Physics of plasmas >Decay of a magnetic-field-aligned Alfven wave into inertial and kinetic Alfven waves in plasmas
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Decay of a magnetic-field-aligned Alfven wave into inertial and kinetic Alfven waves in plasmas

机译:等离子体中磁场对准的Alfven波衰减成惯性和动力学Alfven波

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摘要

A simple description of three-wave decay interactions involving a magnetic-field-aligned dispersive Alfven wave (DAW) pump and two dispersive (either inertial or kinetic) Alfven waves that are propagating obliquely to the external magnetic-field direction in a uniform plasma is presented. The nonlinear dispersion relations and growth rates are obtained. The present results are useful for understanding the origin of constant-amplitude pump-driven nonthermal DAWs in ionospheric, magnetospheric, and heliospheric plasmas. (c) 2005 American Institute of Physics.
机译:对三波衰减相互作用的简单描述是:磁场对准的色散Alfven波(DAW)泵和两个在均匀等离子体中向外部磁场方向倾斜传播的色散Alfven波(惯性或动力学)。呈现。得到了非线性色散关系和增长率。目前的结果对于了解电离层,磁层和日层等离子中恒振幅泵驱动非热DAW的起源很有用。 (c)2005年美国物理研究所。

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