Obliquely propagating nonextensive dust-ion-acoustic solitary waves in a dusty magnetoplasma

被引：0
|
作者：
S. Ashraf
S. Yasmin
M. Asaduzzaman
A. A. Mamun
机构：
[1] Jahangirnagar University,Department of Physics
[2] East West University,Department of Electronic and Communications Engineering
来源：
Astrophysics and Space Science | 2013年 / 344卷
关键词：
Dust-ion-acoustic solitary waves; Korteweg-de Vries equation; Nonextensive electrons; Reductive perturbation method; External magnetic field;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The basic features of obliquely propagating dust-ion-acoustic (DIA) solitary waves (SWs) in a nonextensive magnetized dusty plasma (containing non-extensive electrons, inertial ions, and negatively charged stationary dust) have been rigorously investigated. The reductive perturbation method has been employed to derive the Korteweg-de Vries equation which admits a solitary wave solution. The combined effects of electron nonextensivity and external magnetic field (obliqueness), which are found to significantly modify the basic features of the small but finite-amplitude DIA SWs, have explicitly been examined. Our present analysis can be utilized and very effective for understanding the localized nonlinear structures-the DIA SWs in different astrophysical and cosmological scenarios (viz. stellar polytropes, quark-gluon plasma, protoneutron stars, etc.).
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页码：145 / 151
页数：6
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