Arbitrary-amplitude solitary kinetic Alfvén waves in a non-thermal plasma

被引：0
|
作者：
Roychoudhury, Rajkumar [1 ]
机构：
[1] Indian Statistical Institute, Kolkata 700035, India
来源：
Journal of Plasma Physics | 2002年 / 67卷 / 2-3期
关键词：
Electromagnetic waves - Electrons - Ion acoustic waves - Ionosphere - Magnetic field effects - Magnetohydrodynamics - Magnetosphere - Solitons;
D O I：
10.1017/s0022377801001544
中图分类号：
学科分类号：
摘要：
An exact Sagdeev equation for arbitrary-amplitude solitary kinetic Alfvén waves in a non-thermal plasma is derived. For small β′, the proportion of fast electrons, an analytical expression for the exact pseudopotential V(φ) is obtained. For several values of β′, the Sagdeev potential V(φ) has been calculated by integrating the Sagdeev equation. It is found that, depending on the values of β′, both hump and dip solitons exist.
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页码：199 / 204
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