Landau damping in a multi-component dusty plasma

Effect of the dust size distribution on the landau damping and the wave frequency is studied in the present paper. It is found that wave frequency increases as either the difference between the largest and the smallest dust size increases or the wave number increases. It seems that wave frequency is...

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Bibliographic Details
Published in:Physics of plasmas 2014-11, Vol.21 (11)
Main Authors: Zhang, Heng, Yang, Yang, Zhang, Jie, Hong, Xue-Ren, Lin, Mai-Mai, Yang, Lei, Qi, Xin, Duan, Wen-Shan
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
DENSITY
DISTRIBUTION
Dust
DUSTS
Dusty plasmas
Grains
LANDAU DAMPING
PLASMA
Plasma physics
Size distribution
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Summary:Effect of the dust size distribution on the landau damping and the wave frequency is studied in the present paper. It is found that wave frequency increases as either the difference between the largest and the smallest dust size increases or the wave number increases. It seems that wave frequency is smaller for dusty plasma whose density of the smaller grains is larger than that of the larger ones, while it is larger in the opposite case. The effect of the dust size distribution can increase the Landau damping in the cases where the temperature of the dust grains is small enough or high enough.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4901576