Formation of vertical and horizontal dust vortexes in an RF-discharge plasma

被引：0
|
作者：
Samarian, A [1 ]
Vaulina, O
Tsang, W
James, BW
机构：
[1] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
[2] Inst High Energy Dens, Moscow 127412, Russia
来源：
PHYSICA SCRIPTA | 2002年 / T98卷
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The results of experimental observations of two types of dust vortices (vertical and horizontal) in the presence of an additional electrode in a planar radio frequency (rf) discharge are presented. It is shown that the occurrence of these vortices can be explained by dissipative instability in the dust cloud due to a dust charge gradient, This gradient occurs due to the disturbance of electroneutrality or the variation of electron temperature caused by the extra electrode in the rf-plasma. The observed motion of dust particles has been compared with the results of molecular dynamic simulations. Good qualitative and quantitative agreement was found.
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页码：123 / 126
页数：4
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