Mechanism of dust-acoustic instability in a direct current glow discharge plasma

被引：161

作者：

Fortov, VE ^{[1
]}

Khrapak, AG ^{[1
]}

Khrapak, SA ^{[1
]}

Molotkov, VI ^{[1
]}

Nefedov, AP ^{[1
]}

Petrov, OF ^{[1
]}

Torchinsky, VM ^{[1
]}

机构：

[1] Russian Acad Sci, High Energy Dens Res Ctr, Moscow 127412, Russia

来源：

PHYSICS OF PLASMAS | 2000年 / 7卷 / 05期

关键词：

D O I：

10.1063/1.873954

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：

An observation of low frequency waves spontaneously excited in a dc glow discharge dusty plasma is reported. To analyze possible reasons for the instability observed, a linear dispersion relation which takes into account collisions with neutrals, dust grain charge variations, ion drift, and forces acting on dust particles is derived. Numerical analysis of the dispersion relation shows that the observed instability is the result of dust charge variations in the presence of external charge-dependent forces together with the ion drift effect. (C) 2000 American Institute of Physics. [S1070-664X(00)01005-3].

引用

页码：1374 / 1380

页数：7

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