Nonextensive dust-acoustic solitary waves

被引：140

作者：

Tribeche, M. ^{[1
]}

Merriche, A. ^{[1
]}

机构：

[1] USTHB, Fac Sci Phys, Theoret Phys Lab, Plasma Phys Grp, Algiers 16111, Algeria

来源：

PHYSICS OF PLASMAS | 2011年 / 18卷 / 03期

关键词：

PLASMA;

D O I：

10.1063/1.3561789

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：

The seminal paper of Mamun et al. [Phys. Plasmas 3, 702 (1996)] is revisited within the theoretical framework of the Tsallis statistical mechanics. The nonextensivity may originate from the correlation or long-range interactions in the dusty plasma. It is found that depending on whether the nonextensive parameter q is positive or negative, the dust-acoustic (DA) soliton exhibits compression for q < 0 and rarefaction for q > 0. The lower limit of the Mach number for the existence of DA solitary waves is greater (smaller) than its Maxwellian counterpart in the case of superextensivity (subextensivity). (C) 2011 American Institute of Physics. [doi:10.1063/1.3561789]

引用

页数：4

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