Dressed ion-acoustic solitons in magnetized dusty plasmas

被引：20

作者：

El-Labany, S. K. ^{[1
]}

El-Shamy, E. F. ^{[1
]}

El-Warraki, S. A. ^{[1
]}

机构：

[1] Mansoura Univ, Fac Sci, Dept Phys, Theoret Phys Grp, Damietta El Gedida 34517, Egypt

来源：

PHYSICS OF PLASMAS | 2009年 / 16卷 / 01期

关键词：

dusty plasmas; Korteweg-de Vries equation; plasma ion acoustic waves; plasma solitons; SOLITARY WAVES; SMALL AMPLITUDE;

D O I：

10.1063/1.2955771

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：

In the present research paper, the characteristics of ion acoustic solitary waves are investigated in hot magnetized dusty plasmas consisting of negatively charged dust grains, positively charged ion fluid, and isothermal electrons. Applying a reductive perturbation theory, a nonlinear Korteweg-de Vries (KdV) equation for the first-order perturbed potential and a linear inhomogeneous KdV-type equation for the second-order perturbed potentials are derived. Stationary solutions of these coupled equations are obtained using a renormalization method. The effects of the external oblique magnetic field, hot ion fluid, and higher-order nonlinearity on the nature of the ion acoustic solitary waves are discussed. The results complement and provide new insights into previously published results on this problem [R. S. Tiwari and M. K. Mishra, Phys. Plasmas 13, 062112 (2006)].

引用

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