Toroidal eta(i)-mode localized vortices in a rotating plasma

被引：0
|
作者：
Pakyari, A
机构：
[1] Department of Technology, Uppsala University, S-751 21, Uppsala
来源：
PHYSICA SCRIPTA | 1997年 / 55卷 / 03期
关键词：
D O I：
10.1088/0031-8949/55/3/015
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Model equations describing the dynamics of toroidal eta(i) mode in a shear poloidal rotation plasma are derived The stationary monopole vortex solution is investigated analytically and numerically. It is shown that a vortex can be formed for any arbitrary zero order profile satisfying certain conditions. Moreover, a vortex needs less energy to be formed near the edge of the plasma, and due to the energy minimization, its radial motion is prevented The azimuthal velocity of the vortices is calculated analytically and it is shown that the vortices near the edge move slower.
引用
收藏
页码：355 / 362
页数：8
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