PARAMETRIC DECAY INSTABILITY OF AN UPPER-HYBRID WAVE IN A 2-TEMPERATURE PLASMA

被引:2
作者
KONAR, S [1 ]
RAI, V [1 ]
机构
[1] DEVI AHILYA VISHWAVIDYALAYA,SCH PHYS,INDORE 452001,INDIA
关键词
D O I
10.1017/S0022377800017505
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
Parametric decay of an upper-hybrid pump into another upper-hybrid wave and a low-frequency lower-hybrid mode is considered in a two-electron temperature plasma. Expressions for the nonlinear dispersion relation and growth rate are obtained. It is found that the growth rate is quite sensitive to the hot-electron temperature and the density ratio of the hot and the cold components only when the side-band frequency is close to the second or third harmonic of the cyclotron frequency. The relevance of our investigation to Q machines and the ELMO bumpy torus is pointed out.
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页码:193 / 200
页数:8
相关论文
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