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

页码：3137 / 3140

页数：4

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