The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution

doi:10.1088/1009-1963/12/5/303

中国物理B ›› 2003, Vol. 12 ›› Issue (5): 479-482.doi: 10.1088/1009-1963/12/5/303

The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution

段文山

Department of Physics , Northwest Normal University, Lanzhou 730070, China

收稿日期:2002-09-29 修回日期:2003-02-10 出版日期:2005-03-16 发布日期:2005-03-16
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No 10247008), the Natural Science Foundation of Gansu Province, China (Grant No YS021-A22-018), the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Min

The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution

Duan Wen-Shan (段文山)

Department of Physics , Northwest Normal University, Lanzhou 730070, China

Received:2002-09-29 Revised:2003-02-10 Online:2005-03-16 Published:2005-03-16
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No 10247008), the Natural Science Foundation of Gansu Province, China (Grant No YS021-A22-018), the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Min

摘要/Abstract

摘要： By considering both the dust temperature and the dust charge variation in dusty plasma with vortex-like ion distribution, we obtained a modified Korteweg－de Vries equation. It indicates that the effect of dust charge variation can cause the one-dimensional soliton amplitude to become larger, and the dust temperature can cause the soliton amplitude to become larger as well. Moreover, as the dust temperature increases, the soliton amplitude will increase.

Abstract: By considering both the dust temperature and the dust charge variation in dusty plasma with vortex-like ion distribution, we obtained a modified Korteweg－de Vries equation. It indicates that the effect of dust charge variation can cause the one-dimensional soliton amplitude to become larger, and the dust temperature can cause the soliton amplitude to become larger as well. Moreover, as the dust temperature increases, the soliton amplitude will increase.

Key words: dusty plasma, soliton, mKdV equation

中图分类号: (Dusty or complex plasmas; plasma crystals)

52.27.Lw

52.25.Kn (Thermodynamics of plasmas) 52.35.We (Plasma vorticity) 52.35.Sb (Solitons; BGK modes)

段文山. The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution[J]. 中国物理B, 2003, 12(5): 479-482.

Duan Wen-Shan (段文山). The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution[J]. Chinese Physics, 2003, 12(5): 479-482.

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The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution

The effects of dust temperature and the dust charge variation in a dusty plasma with vortex-like ion distribution

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