Heating of the Solar Corona by Alfven Waves: Self-Induced Opacity

被引:2
|
作者
Zahariev, N. I. [1 ]
Mishonov, T. M. [1 ]
机构
[1] St Clement Ohrid Univ Sofia, Fac Phys, Dept Theoret Phys, BG-1164 Sofia, Bulgaria
关键词
solar corona; Alfvenic and magnetosonic waves; coronal heating; ATMOSPHERE; WIND;
D O I
10.1063/1.3598101
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
There have been derived equations describing the static distributions of temperature and wind velocity at the transition region within the framework of the magnetohydrodynamics (MHD) of fully ionized hydrogen plasma. We have also calculated the width of the transition between the chromosphere and corona as a self-induced opacity of the high-frequency Alfven waves (AWs). The domain wall is a direct consequence of the self-consistent MHD treatment of AWs propagation. We predict considerable spectral density of the high-frequency AWs in the photosphere. The idea that Alfven waves might heat the solar corona belong to Alfven-we simply derived the corresponding MHD equations. The comparison of the solutions to those equations with the observational/measured data will be crucial for revealing the heating mechanism. The analysis of those solutions will explain how Alfven waves brick unto the corona and dissipate their energy there.
引用
收藏
页数:15
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