Influence of charging process and size distribution of dust grain on the electric conductivity of dusty plasma

The effects of dust size distribution and charging process of dust grains on the complex electric conductivity of dusty plasmas have been investigated in the present paper. Comparisons are made between real dusty plasma in which there are many different dust grain species and the mono-sized dusty pl...

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Bibliographic Details
Published in:Physics of plasmas 2012-08, Vol.19 (8)
Main Authors: Duan, Ji-Zheng, Wang, Cang-Long, Zhang, Jian-Rong, Ma, Sheng-Qian, Hong, Xue-Ren, Sun, Jian-An, Duan, Wen-Shan, Yang, Lei
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
DISTRIBUTION FUNCTIONS
DUSTS
ELECTRIC CONDUCTIVITY
GRAIN SIZE
PLASMA
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Summary:The effects of dust size distribution and charging process of dust grains on the complex electric conductivity of dusty plasmas have been investigated in the present paper. Comparisons are made between real dusty plasma in which there are many different dust grain species and the mono-sized dusty plasma (MDP) in which there is only one kind of dust grain whose size is the average dust size. In some cases the complex electric conductivity of real dusty plasma is larger than that of MDP, while in other cases it is smaller than that of MDP, it depends on the dust size distribution function.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4744972