Solitary Alfven waves in a dusty plasma

被引：11
|
作者：
Choi, Cheong Rim [1 ]
Lee, D.-Y.
机构：
[1] Chungbuk Natl Univ, Dept Astron & Space Sci, Coll Nat Sci, Cheongju 361763, South Korea
[2] Chungbuk Natl Univ, Inst Basic Sci Res, Cheongju 361763, South Korea
来源：
PHYSICS OF PLASMAS | 2007年 / 14卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
D O I：
10.1063/1.2727461
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：
The nonlinear solitary Alfven wave in a magnetized dusty plasma with a low beta assumption, obliquely propagating to an external magnetic field, is investigated based on the Sagdeev potential. It is found that there exists a double layer solution as well as the compressive solitary Alfven waves. It is shown that the amplitude of the compressive and rarefactive solitary Alfven waves decreases with a dust charge density, whereas that of the double layer behaves in the opposite way. In addition, it is found that the speed of the solitary Alfven wave is independent of the dust charge density. (C) 2007 American Institute of Physics.
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页数：5
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