Nonplanar ion-acoustic Gardner solitons in a pair-ion plasma with nonextensive electrons and positrons

被引：0
|
作者：
Uday Narayan Ghosh
Deb Kumar Ghosh
Prasanta Chatterjee
Mustapha Bacha
Mouloud Tribeche
机构：
[1] Visva Bharati University,Department of Mathematics, Siksha Bhavana
[2] University of Bab-Ezzouar,Theoretical Physics Laboratory, Plasma Physics Group, Faculty of Sciences
来源：
Astrophysics and Space Science | 2013年 / 343卷
关键词：
Nonplanar solitary waves; Electron-positron-ion plasma; -distribution; Modified Gardner equation;
D O I：
暂无
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学科分类号：
摘要：
The properties of nonplanar (cylindrical and spherical) ion-acoustic solitary waves (IA SWs) in an unmagnetized, collisionless electron-positron-ion (e-p-i) plasma, whose constituents are q-distributed electrons and positrons and inertial ions, are investigated by deriving the modified Gardner (MG) equation. The well known reductive perturbation method is employed to derive the MG equation. The basic features of nonplanar IA Gardner solitons (GSs) are discussed. It is found that the properties of nonplanar IA GSs (rarefactive and compressive) are significantly affected by the particle nonextensivity.
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页码：265 / 272
页数：7
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