Auto-oscillations in complex plasmas

被引:22
|
作者
Zhdanov, Sergej K. [1 ]
Schwabe, Mierk [1 ]
Heidemann, Ralf [1 ]
Suetterlin, Robert [1 ]
Thomas, Hubertus M. [1 ]
Rubin-Zuzic, Milenko [1 ]
Rothermel, Hermann [1 ]
Hagl, Tanja [1 ]
Ivlev, Alexei V. [1 ]
Morfill, Gregor E. [1 ]
Molotkov, Vladimir I. [2 ]
Lipaev, Andrey M. [2 ]
Petrov, Oleg F. [2 ]
Fortov, Vladimir E. [2 ]
Reiter, Thomas [3 ]
机构
[1] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany
[2] Russian Acad Sci, Inst High Energy Dens, Moscow 125412, Russia
[3] Deutsch Zentrum Luft & Raumfahrt, D-51147 Cologne, Germany
来源
NEW JOURNAL OF PHYSICS | 2010年 / 12卷
关键词
NEGATIVE DIFFERENTIAL CONDUCTIVITY; DUSTY PLASMAS; INSTABILITY; TRANSITION;
D O I
10.1088/1367-2630/12/4/043006
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Experimental results on an auto-oscillatory pattern observed in a complex plasma are presented. The experiments are performed with an argon plasma, which is produced under microgravity conditions using a capacitively coupled rf discharge at low power and gas pressure. The observed intense wave activity in the complex plasma cloud correlates well with the low-frequency modulation of the discharge voltage and current and is initiated by periodic void contractions. Particle migrations forced by the waves are of long-range repulsive and attractive character.
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页数:18
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