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arXiv physics/9905059physics.plasm-ph
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低频磁声脉冲在双离子等离子体中的无碰撞阻尼

Collisionless Damping of Low-Frequency Magnetosonic Pulses in a Two-Ion-Species Plasma

Mieko Toida, Daiju Dogen, Yukiharu Ohsawa

摘要:

本文对两种离子等离子体中的低频磁超声波脉冲进行了理论研究和基于三流体模型的一维电磁模拟程序的模拟,特别关注少数重离子的动力学。结果表明,重离子可以从脉冲中获得一定的能量。由于这种能量转移,即使等离子体是无碰撞的并且脉冲传播垂直于磁场,脉冲也会被衰减。

英文摘要:

Low-frequency mangnetosonic pulses in a two-ion-species plasma are studied theoretically and by simulation with a one-dimensional electromagnetic simulation code based on a three-fluid model, with particular attention to the dynamics of minority heavy ions. It is found that heavy ions can gain some energy from the pulses. Because of this energy transfer, the pulses are damped even if the plasma is collisionless and pulse propagation is perpendicular to the magnetic field.

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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