Dispersion and damping rate of Langmuir wave in space plasma with regularized Kappa distributed electrons

被引：0
|
作者：
刘勇 [1 ]
陈旭 [2 ]
机构：
[1] School of Sciences, Nantong University
[2] Xinglin College, Nantong
来源：
Plasma Science and Technology | 2022年 / 01期
关键词：
D O I：
暂无
中图分类号：
O53 [等离子体物理学];
学科分类号：
070204 ;
摘要：
The dispersion of Langmuir wave(LW) in an unmagnetized collisionless plasma with regularized Kappa distributed electrons is investigated from the kinetic theory. The frequency and damping rate of LW are analyzed for the parameters relating to the source region of a type Ⅲ solar radio burst. It is found that the linear behavior of LW is greatly modified by the suprathermal index κ and the exponential cutoff parameter α. In the region κ < 1.5, the damping rate of LW will be much larger than the one with Maxwellian distributed electrons. Hence, the nonlinear process of LW in low κ region may exhibit different properties in comparison with the one in large κ region.
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页码：49 / 54
页数：6
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