Transverse Oscillations of Coronal Loops with Slowly Changing Density

被引：0
|
作者：
M. S. Ruderman
机构：
[1] University of Sheffield,Solar Physics and Space Plasma Research Centre (SP² RC), Department of Applied Mathematics
来源：
Solar Physics | 2011年 / 271卷
关键词：
Sun; Corona; Coronal loops; Oscillations;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper we study kink oscillations of coronal loops with the density varying along the loop and also slowly changing with time. Using the Wentzel–Kramers–Brillouin (WKB) method we obtain the adiabatic invariant that determines the time dependence of the oscillation amplitude. The obtained general results are applied to kink oscillations of cooling loops. The main conclusion of this study is that cooling causes the amplification of kink oscillations.
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页码：41 / 54
页数：13
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