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

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

2011-03-11

arxiv.org/abs/1103.2233v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

This paper should be cited as published in the Proceedings of the School and Workshop on Space Plasma Physics (1-12 September

Scientific paper

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.

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