朗道阻尼对相对论性电子声等离子体的影响

A.Roy Chowdhury, Govinda Pakira, S.N. Paul
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引用次数: 10

摘要

我们考虑了在相对论性电子等离子体中由于电子流动而产生的阻尼效应。我们观察到,由于相对论效应,孤子的振幅变得更小,它变得更宽。但对于高温电子等离子体,这种效应并不大。通过Bogoliubov-Krylov微扰理论求解了带阻尼项的KdV方程,其中孤子的振幅和宽度用等离子体的参数表示。最后,我们讨论了如何将高阶效应纳入其中。
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On the effect of Landau damping in a relativistic electron acoustic plasma

We have considered the effect of damping generated due to streaming electrons in a relativistic electron plasma. It is observed that due to the relativistic effect the amplitude of the soliton gets smaller and it becomes more widened. But for a high-temperature electron plasma, the effect is not considerable. The KdV equation with the damping term is solved via the Bogoliubov-Krylov perturbation theory, whence the amplitude and width of the soliton are expressed in terms of the parameters of the plasma. Lastly we discuss how higher order effects can be incorporated.

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