Lagrangian description of nonlinear dust-ion acoustic waves in dusty plasmas

被引：36

作者：

Kourakis, I ^{[1
]}

Shukla, PK

机构：

[1] Ruhr Univ Bochum, Fak Phys & Astron, Inst Theoret Phys 4, D-44780 Bochum, Germany

[2] Fac Sci Appl, B-1050 Brussels, Belgium

来源：

EUROPEAN PHYSICAL JOURNAL D | 2004年 / 30卷 / 01期

关键词：

D O I：

10.1140/epjd/e2004-00068-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An analytical model is presented for the description of nonlinear dust-ion-acoustic waves propagating in an unmagnetized, collisionless, three component plasma composed of electrons, ions and inertial dust grains. The formulation relies on a Lagrangian approach of the plasma fluid model. The modulational stability of the wave amplitude is investigated. Different types of localized envelope electrostatic excitations are shown to exist.

引用

页码：97 / 103

页数：7

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