The stability and the growth rate of the electron acoustic traveling wave under transverse perturbations in a magnetized quantum plasma

被引：8

作者：

Gao, Dong-Ning ^{[1
,2
,3
,4
]}

Wang, Cang-Long ^{[1
,2
,3
,4
]}

Yang, Xue ^{[1
,2
,3
,4
]}

Duan, Wen-Shan ^{[1
,2
,3
,4
]}

Yang, Lei ^{[1
,2
,3
,4
,5
]}

机构：

[1] NW Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Peoples R China

[2] NW Normal Univ, Joint Lab Atom & Mol Phys NWNU, Lanzhou 730070, Peoples R China

[3] NW Normal Univ, IMP CAS, Lanzhou 730070, Peoples R China

[4] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[5] Lanzhou Univ, Dept Phys, Lanzhou 730000, Peoples R China

来源：

PHYSICS OF PLASMAS | 2012年 / 19卷 / 12期

基金：

中国国家自然科学基金;

关键词：

ZAKHAROV-KUZNETSOV EQUATION; SOLITARY WAVES; BEAM; SOLITONS; TEMPERATURE; MODES; NOISE; FIELD;

D O I：

10.1063/1.4773216

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：

Theoretical and numerical studies are carried out for the stability of the electron acoustic waves under the transverse perturbation in a magnetized quantum plasma. The Zakharov-Kuznetsov (ZK) equation of the electron-acoustic waves (EAWs) is given by using the reductive perturbation technique. The cut-off frequency is obtained by applying a transverse sinusoidal perturbation to the plane soliton solution of the ZK equation. The propagation velocity of solitary waves, the real cut-off frequency, as well as the growth rate of the higher order perturbation to the traveling solitary wave are obtained. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4773216]

引用

页数：5

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