Quasi-periodic pulsations and diagnostics of flaring plasma

被引：0
|
作者：
A. V. Stepanov
V. V. Zaitsev
机构：
[1] Pulkovo Observatory,
[2] Institute of Applied Physics,undefined
来源：
Geomagnetism and Aeronomy | 2014年 / 54卷
关键词：
Flare; Solar Flare; Flux Tube; Coronal Loop; Magnetic Flux Tube;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Two approaches in the interpretation of quasi-periodic pulsations in solar and stellar flares are presented. The first presents flaring loops as resonators for magneto-hydrodynamic (MHD) oscillations. Leaky and non-leaky modes are discussed. The second approach is based on Alfvén’s idea of the flaring loop as an equivalent electric circuit. This approach naturally explains high-quality pulsations. It is shown that coronal seismology provides an efficient diagnostic tool for flare plasma on the Sun, red dwarfs, and in giant flares on neutron stars.
引用
收藏
页码：969 / 981
页数：12
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