Effect of nonextensive electron and ion on dust acoustic rogue waves in dusty plasma of opposite polarity

被引：26
|
作者：
Zaghbeer, S. K. [1 ]
Salah, H. H. [1 ]
Sheta, N. H. [1 ]
El-Shewy, E. K. [2 ,3 ]
Elgarayh, A. [2 ]
机构：
[1] Al Azhar Univ, Fac Sci Girls, Cairo, Egypt
[2] Mansoura Univ, Theoret Phys Grp, Fac Sci, Mansoura 35516, Egypt
[3] Taibah Univ, Dept Phys, Al Madinah Al Munawarrah, Saudi Arabia
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2014年 / 353卷 / 02期
基金：
美国国家卫生研究院;
关键词：
Nonlinear dust-acoustic waves; Nonextensive electrons and ions; Rogue waves; Nonlinear Schrodinger (NLS) equation; CHARGED DUST; VELOCITY DISTRIBUTION; SOLITARY WAVES; SPACE PLASMAS; DOUBLE-LAYERS; PROPAGATION; EMISSION; DYNAMICS;
D O I：
10.1007/s10509-014-2081-x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Propagation of nonlinear dust-acoustic waves in a magnetized collisionless plasma having positively, negatively charged dust grains and nonextensive distributed electrons and ions has been investigated. A reductive perturbation method is used to obtain a nonlinear Korteweg-de Vries (KdV) equation describing the model. The dynamics of the modulational instability gives rise to the formation of rogue waves that is described by a nonlinear Schrodinger equation. The dependence of rogue waves profiles on positive and negative charged dust cyclotron frequencies, nonextensive parameters of electrons and ions is investigated numerically. The result of the present investigation may be applicable to some plasma environments, such as cometary tails and upper mesosphere.
引用
收藏
页码：493 / 500
页数：8
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