Dust ion-acoustic solitary waves in a magnetized dusty electronegative plasma

被引：12

作者：

Anowar, M. G. M. ^{[1
]}

Ashrafi, K. S. ^{[2
]}

Mamun, A. A. ^{[2
]}

机构：

[1] Natl Univ, Dept Phys, Gazipur 1704, Bangladesh

[2] Jahangirnagar Univ, Dept Phys, Dhaka 1342, Bangladesh

来源：

JOURNAL OF PLASMA PHYSICS | 2011年 / 77卷

关键词：

CHARGED-SPECIES PROFILES; INSTABILITY;

D O I：

10.1017/S0022377810000255

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 basic features of obliquely propagating dust ion-acoustic (DIA) solitary waves in an adiabatic magnetized dusty electronegative plasma (containing Boltzmann electrons, Boltzmann negative ions, adiabatic positive ions, and negatively charged stationary dust) have been investigated. The reductive perturbation method has been employed to derive the Korteweg-de Vries (KdV) equation which admits a solitary wave solution. The combined effects of ion adiabaticity and external magnetic field (obliqueness), which are found to significantly modify the basic features of the small but finite-amplitude DIA solitary waves, are explicitly examined. The implications of our results in space and laboratory dusty plasmas are briefly discussed.

引用

页码：133 / 143

页数：11

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