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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Nonlinear ion-acoustic waves supported by an ion beam
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Nonlinear ion-acoustic waves supported by an ion beam

机译:非线性离子声波由离子梁

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摘要

It is shown that in a plasma composed by electrons, a proton core, and a proton beam propagating along an external magnetic field, finite amplitude left-hand polarized waves propagating backward relative to the beam direction can trigger nonlinear ion-acoustic waves supported by the beam. A detailed study of such instabilities is carried out. The instability bounds are such that if there are large amplitude left-hand polarized waves propagating toward the Sun, nonlinear ion-acoustic waves supported by the beam should exist in high-speed solar wind streams.
机译:结果表明,等离子体由电子,质子,质子束传播在外部磁场,有限振幅左旋极化波相对于光束传播落后方向可以触发非线性离子声波支持的梁。这样的不稳定。不稳定边界,如果有大的振幅左旋极化波传播向太阳,非线性离子声波梁应该支持的存在于高速太阳风流。

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