Collisionless damping of nonlinear dust ion acoustic wave due to dust charge fluctuation

被引：57

作者：

Ghosh, S ^{[1
]}

Chaudhuri, TK

Sarkar, S

Khan, M

Gupta, MR

机构：

[1] Jadavpur Univ, Fac Sci, Ctr Plasma Studies, Kolkata 7000032, W Bengal, India

[2] Netaji Subhas Engn Coll, Kolkata, W Bengal, India

来源：

PHYSICAL REVIEW E | 2002年 / 65卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.65.037401

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A dissipation mechanism for the damping of the nonlinear dust ion acoustic wave in a collisionless dusty plasma consisting of nonthermal electrons, ions, and variable charge dust grains has been investigated. It is shown that the collisionless damping due to dust charge fluctuation causes the nonlinear dust ion acoustic wave propagation to be described by the damped Korteweg-de Vries equation. Due to the presence of nonthermal electrons, the dust ion acoustic wave admits both positive and negative potential and it suffers less damping than the dust acoustic wave, which admits only negative potential.

引用

页码：1 / 037401

页数：4

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