MULTIPLE-GAP THEORY OF TOROIDAL ALFVEN WAVES WITH KINETIC EFFECTS

被引：9

作者：

ZHANG, XD

ZHANG, YZ

MAHAJAN, SM

机构：

[1] Institute for Fusion Studies, University of Texas at Austin, Austin

来源：

PHYSICS OF FLUIDS B-PLASMA PHYSICS | 1993年 / 5卷 / 04期

关键词：

D O I：

10.1063/1.860915

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 stability of kinetic toroidal Alfven waves with multigap coupling is analyzed by using the two-dimensional ballooning transform. An alternate convergence scheme, based on the smallness of the inverse aspect ratio, is devised. The resulting wave functions are oscillatory and do not balloon in contrast to the wave functions of conventional ballooning theory. It is shown that the single-gap theory is a special, weak shear (s --> 0) limit of the formalism. Analytical and numerical results for the two fundamental branches, the ideal toroidal Alfven eigenmode (TAE), and the kinetic toroidal Alfven eigenmode (KTAE), are presented and discussed.

引用

页码：1257 / 1262

页数：6

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