Dusty Plasma Structures in Stratified Discharge under Action of an Axial Magnetic Field: Mechanisms of the Rotation Inversion

被引：0
|
作者：
D'yachkov, Lev G. [1 ]
机构：
[1] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia
来源：
DUSTY/COMPLEX PLASMAS: BASIC AND INTERDISCIPLINARY RESEARCH: SIXTH INTERNATIONAL CONFERENCE ON THE PHYSICS OF DUSTY PLASMAS | 2011年 / 1397卷
关键词：
Dusty plasma; magnetic field; rotation mechanism; stratified discharge; ion drag; neutral gas friction; ion drift; eddy current; DC DISCHARGE;
D O I：
10.1063/1.3659801
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：
In a number of experiments, it was observed that the axial magnetic field gives rise to the rotation of dust structures in strata of dc glow discharges, and the rotation changes the direction as the field increases. We discuss possible mechanisms of the rotation and its inversion. Two mechanisms of the inversion are considered. The first is a result of the competition between the plasma recombination on the dust particles and that on the tube wall. The second is associated with the competition between rotation together with the neutral gas and rotation under action of the ion drag force.
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页数：2
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