Linear study of the nonmodal growth of drift waves in dusty plasmas

被引：3
|
作者：
Manz, P. [1 ]
Greiner, F. [2 ]
机构：
[1] Univ Stuttgart, Inst Plasmaforsch, D-70569 Stuttgart, Germany
[2] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany
来源：
PHYSICS OF PLASMAS | 2010年 / 17卷 / 06期
关键词：
ENERGETICS; EXCITATION;
D O I：
10.1063/1.3442744
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：
The main effect of dust on drift wave turbulence is the enhancement of the nonadiabaticity. Previous Work found that nonmodal behavior is important in the nonadiabatic regime of the drift wave system. Here, the modal and nonmodal properties of the linear Hasegawa-Wakatani system of dusty plasmas are investigated. The non-normality of the linear evolution operator can lead to enhanced transient growth rates compared to the modal growth rates. (C) 2010 American Institute of Physics. [doi:10.1063/1.3442744]
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页数：4
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