Effects of dust size distribution in ultracold quantum dusty plasmas

被引：0
|
作者：
祁学宏 [1 ]
段文山 [1 ]
陈建敏 [2 ]
王善进 [3 ]
机构：
[1] College of Physics and Electronic Engineering,Northwest Normal University
[2] State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences
[3] School of Electronic Engineering,Dongguan University of Technology
来源：
Chinese Physics B | 2011年 / 02期
基金：
中国国家自然科学基金;
关键词：
quantum dusty plasmas; dispersion relation; velocity of soliton;
D O I：
暂无
中图分类号：
O53 [等离子体物理学];
学科分类号：
070204 ;
摘要：
The effect of dust size distribution in ultracold quantum dusty plasmas are investigated in this paper.How the dispersion relation and the propagation velocity for the quantum dusty plasma vary with the system parameters and the different dust distribution are studied.It is found that as the Fermi temperature of the dust grains increases the frequency of the wave increases for large wave number dust acoustic wave.The quantum parameter of H d also increases the frequency of the large wave number dust acoustic wave.It is also found that the frequency ω 0 and the propagation velocity v 0 of quantum dust acoustic waves all increase as the total number density increases.They are greater for unusual dusty plasmas than those of the usual dusty plasma.
引用
收藏
页码：351 / 356
页数：6
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