The permittivity tensor and bounce resonance effects on wave dissipation in toroidal plasmas

被引：7
|
作者：
ChebTerrab, ES
Elfimov, AG
机构：
[1] Instituto de Física, Universidade do Estado do Rio de Janeiro, 20550-013, RJ
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1996年 / 46卷 / 06期
关键词：
D O I：
10.1007/BF01690678
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The asymptotic solution of Vlasov's equation in the drift approximation for a toroidal plasma geometry with circular magnetic surfaces is presented. The method of solution introduces Jacobi functions as variables, making it possible to obtain results in a relatively simple manner. The analytic evaluation of the parallel components oi the dielectric permittivity tensor epsilon(3j) is shown and the resulting strong influence of the bounce resonance of untrapped electrons on the wave dissipation is discussed. Additionally, a numerical calculation of epsilon(33), together with a comparison between the toroidal and the cylindrical (Landau damping) results, are presented.
引用
收藏
页码：595 / 605
页数：11
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