Dust-acoustic waves in strongly coupled plasmas with variable dust charge

被引：23
|
作者：
Xie, BS [1 ]
Yu, MY
机构：
[1] Beijing Normal Univ, Key Lab Univ Beam Technol & Mat Modificat, Beijing 100875, Peoples R China
[2] Beijing Normal Univ, Inst Low Energy Nucl Phys, Beijing 100875, Peoples R China
[3] Ruhr Univ Bochum, Inst Theoret Phys 1, D-44780 Bochum, Germany
来源：
PHYSICS OF PLASMAS | 2000年 / 7卷 / 08期
关键词：
D O I：
10.1063/1.874219
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A generalized theory of dust-acoustic waves in strongly coupled dusty plasmas containing variable-charge dusts or impurities is given. Relaxation processes associated with the strong coupling, as well as dust-charge variation, are taken into account. It is shown that the dispersion and damping properties of the waves are strongly affected by dust-dust correlation, dust charging and viscoelastic relaxations, and dust-neutral collisions. Multiple transitions between positive to negative dispersions are also found and discussed. (C) 2000 American Institute of Physics. [S1070-664X(00)03308-5].
引用
收藏
页码：3137 / 3140
页数：4
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