Arbitrary amplitude dust acoustic waves in a nonextensive dusty plasma

被引：23
|
作者：
Shahmansouri, Mehran [1 ]
Tribeche, Mouloud [2 ]
机构：
[1] Arak Univ, Fac Sci, Dept Phys, Arak 3815688349, Iran
[2] Univ Bab Ezzouar, Fac Phys, Theoret Phys Lab, USTHB,Plasma Phys Grp, Algiers 16111, Algeria
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2013年 / 344卷 / 01期
关键词：
Dust acoustic; Arbitrary amplitude solitary waves; Nonextensive statistics; SHOCK-WAVES; SOLITARY;
D O I：
10.1007/s10509-012-1296-y
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Making use of the Sagdeev pseudo-potential approach, we derive the energy like equation for dust-acoustic (DA) solitary waves in a complex plasma having negatively charged cold dust, and electrons/ions featuring the Tsallis distribution. The effects of electron and ion nonextensivity on the DA soliton profile are examined. It is shown that depending on the strength of particle nonextensivity, our plasma model may admit compressive as well as rarefactive DA solitary waves. Our results complement previously published results on this problem.
引用
收藏
页码：99 / 104
页数：6
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