Effect of nonthermal ions on (3+1)-dimensional envelope solitary wave in magnetized PLD dusty plasma

被引：1
作者：
Lin, M. [1 ]
Zhang, X. [1 ]
Du, H. [1 ]
Duan, W. [1 ]
机构：
[1] Northwest Normal Univ, Dept Phys, Lanzhou 730070, Gansu, Peoples R China
来源：
INDIAN JOURNAL OF PHYSICS | 2018年 / 92卷 / 01期
基金：
中国国家自然科学基金;
关键词：
PLD dust particles; Reductive perturbation method; Envelope solitary wave; ACOUSTIC-WAVES; SIZE DISTRIBUTION; PARTICLES; ELECTRONS; BEAM;
D O I：
10.1007/s12648-017-1084-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This work investigates the envelope solitary wave (ESW) in magnetized power law distribution dusty plasma consisting of free electrons and nonthermal ions. A (3+1)-dimensional nonlinear Schrodinger equation (NLSE) through the reductive perturbation technique is derived. The nonlinear dispersion relation omega = omega(k) and coefficients of NLSE are analyzed in detail by the numerical simulation method under the effect of nonthermal ions. It is indicated that the frequency increases as the number density of nonthermal ions increase. It can be seen that the frequency with higher unperturbed ion number density is larger than that with lower case. Moreover, the effects of amplitude and width on ESW are discussed with different plasma parameters. The present results can be important in understanding the characteristics of ESW for a magnetized three component plasma system.
引用
收藏
页码：129 / 136
页数：8
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