Cylindrical and spherical electron acoustic solitary waves with nonextensive hot electrons

被引：40
|
作者：
Pakzad, Hamid Reza [1 ]
机构：
[1] Islamic Azad Univ, Bojnourd Branch, Dept Phys, Bojnourd, Iran
来源：
PHYSICS OF PLASMAS | 2011年 / 18卷 / 08期
关键词：
Korteweg-de Vries equation; numerical analysis; plasma ion acoustic waves; plasma simulation; plasma solitons; plasma transport processes; DOUBLE-LAYERS; SOLITONS; PLASMA; ION; INSTABILITY;
D O I：
10.1063/1.3622207
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：
Nonlinear propagation of cylindrical and spherical electron-acoustic solitons in an unmagnetized plasma consisting cold electron fluid, hot electrons obeying a nonextensive distribution and stationary ions, are investigated. For this purpose, the standard reductive perturbation method is employed to derive the cylindrical/spherical Korteweg-de-Vries equation, which governs the dynamics of electron-acoustic solitons. The effects of nonplanar geometry and nonextensive hot electrons on the behavior of cylindrical and spherical electron acoustic solitons are also studied by numerical simulations. (C) 2011 American Institute of Physics. [doi:10.1063/1.3622207]
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页数：5
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