MHD surface waves in a complex (longitudinal plus sheared) magnetic field

被引：9
|
作者：
Zhelyazkov, I
Murawski, K
Goossens, M
机构：
[1] Center for Plasma Astrophysics, Katholieke Universiteit Leuven
[2] Faculty of Physics, Sofia University
[3] Department of Space Sciences, Southwest Research Institute, San Antonio
来源：
SOLAR PHYSICS | 1996年 / 165卷 / 01期
关键词：
D O I：
10.1007/BF00149092
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the dispersion characteristics of fast MHD surface waves travelling on a plasma slab immersed in a complex magnetic field consisting of a large longitudinal B-0z component and a small sheared B-0y component. The analysis shows that for typical coronal conditions both the sausage and kink waves are generally pseudo-surface waves. The tangential magnetic field, B-0y, modifies the dispersion curves, and for sufficiently large sheared fields there is a transition from pseudo-surface to pure-surface fast kink waves.
引用
收藏
页码：99 / 114
页数：16
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