Bilinear plasma susceptibility of strongly non-uniform magnetized plasmas

被引：4
|
作者：
Popov, A. Yu [1 ]
Tretinnikov, P., V [1 ]
Gusakov, E. Z. [1 ]
机构：
[1] Ioffe Inst, St Petersburg 194021, Russia
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2019年 / 61卷 / 10期
关键词：
bilinear plasma susceptibility; strongly non-uniform magnetized plasmas; nonlinear phenomenon; three-wave interaction;
D O I：
10.1088/1361-6587/ab3954
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 bilinear plasma susceptibility describing the nonlinear coupling of electromagnetic and two electrostatic waves in strongly non-uniform magnetized plasmas is derived using both the distribution function moments equations and the kinetic approach. The possibility of the drastic enhancement of nonlinear coupling leading to a decrease of the two-plasmon decay instability threshold in strongly inhomogeneous plasmas is demonstrated.
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页数：7
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