Fishbone modes in compressible plasmas

被引:6
|
作者
Kolesnichenko, Ya. I. [1 ]
Lutsenko, V. V. [1 ]
White, R. B. [2 ]
机构
[1] Inst Nucl Res, UA-03680 Kiev, Ukraine
[2] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
关键词
OPTIMIZED STELLARATORS;
D O I
10.1088/0029-5515/50/8/084017
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
It is shown that there exist two types of m = n = 1 fishbone modes with frequencies significantly exceeding the frequency of the conventional fishbone instability. One of them is the resonance continuum mode (RCM), and the other is the non-resonance gap mode (NGM). They are associated with the trapped energetic ions and arise due to plasma compressibility. The spatial structure of the RCM may differ considerably from the rigid kink displacement inherent in the conventional fishbone mode.
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页数:6
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