Effect of viscosity on dust-ion acoustic shock wave in dusty plasma with negative ions

被引：27
作者：
Adhikary, Nirab C. [1 ]
机构：
[1] Inst Adv Study Sci & Technol, Div Phys Sci, Gauhati 781035, Assam, India
来源：
PHYSICS LETTERS A | 2012年 / 376卷 / 17期
关键词：
Dusty plasma; Shock wave; KdV-Burgers equation; SOLITARY WAVES; PROPAGATION;
D O I：
10.1016/j.physleta.2012.03.006
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The properties of dust-ion acoustic (DIA) shock wave in a dusty plasma containing positive and negative ions is investigated. The reductive perturbation method has been used to derive the Korteweg-de Vries-Burgers equation for dust acoustic shock waves in a homogeneous, unmagnetized and collisionless plasma whose constituents are Boltzmann distributed electrons, singly charged positive ions, singly charged negative ions and cold static dust particles. The KdV-Burgers equation is derived and its stationary analytical solution is numerically analyzed where the effect of viscosity on the DIA shock wave propagation is taken into account. It is found that the viscosity in the dusty plasma plays as a key role in dissipation for the propagation of DIA shock. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：1460 / 1464
页数：5
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