Effect of dust-charge variation on ion-wave decay interaction in dusty plasma

被引:0
|
作者
Xie, BS [1 ]
Chen, ZY
Yu, M
机构
[1] Beijing Normal Univ, Key Lab Beam Technol & Mat Modificat, Minist Educ, 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
基金
中国国家自然科学基金;
关键词
dusty plasma; ion waves; wave decay;
D O I
10.1109/TPS.2002.801531
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
Three-wave decay interaction of electrostatic ion acoustic waves in a plasma with variable-charge dust grains is reconsidered. The evolution equations describing the decay interaction are obtained and the decay of an ion acoustic wave into another ion acoustic wave and a dust acoustic wave is investigated in detail. It is confirmed that the decay wave must be backward propagating, even if strong charge relaxation and the short wavelength regime are included. However, in both cases, the decay instability can be weakened or suppressed.
引用
收藏
页码:1384 / 1386
页数:3
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