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On the penetration of Alfven waves from the chromosphere into the corona

Published online by Cambridge University Press:  01 November 2006

Yuri T. Tsap
Yuri T. Tsap
Affiliation:
Crimean Astrophysical Observatory, Nauchny, Ukraine email: yur@crao.crimea.ua Present address: Crimean Astrophysical Observatory, Nauchny, 98409 Crimea, Ukraine.
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Abstract

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Within the framework of the two-layer model the expression for the reflection coefficients of Alfven (torsion) waves propagated from the chromosphere into the corona have been obtained. As a result of reflection the energetic losses of waves with a period less than several tens of seconds are about 70%. This shows evidence in favor of the essential contribution of Alfven waves with a period of 10–40 s to coronal heating of the Sun.

Keywords

Sun: coronachromospherewavesoscillations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S233: Solar Activity and its Magnetic Origin , March 2006 , pp. 253 - 254
Copyright
© 2006 International Astronomical Union