Influence of charge variation on particle oscillations in the plasma sheath

被引：84

作者：

Ivlev, AV ^{[1
]}

Konopka, U

Morfill, G

机构：

[1] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany

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

来源：

PHYSICAL REVIEW E | 2000年 / 62卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.62.2739

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 theory of dust particle oscillations in the plasma sheath is presented, taking into account particle charging kinetics and neutral gas friction. Effects of ''regular'' and stochastic charge variations are considered. It is shown that whilst regular variations generally enhance the damping of horizontally propagating dust lattice waves, they can also cause an instability in the vertical oscillations of single particles. The stochastic charge variations, if sufficiently strong, result in exponential growth of the mean energy of both types of oscillations.

引用

页码：2739 / 2744

页数：6

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