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Title: The influence of radiative damping on the modes of a magnetized isothermal atmosphere
Authors: Banerjee, D
Hasan, S. S
Christensen-Dalsgaard, J
Keywords: Solar Physics;MHD;Magnetic Fields;Oscillations
Issue Date: 1997
Publisher: Kluwer Academic Publishers
Citation: F.P. Pijpers, J. Christensen-Dalsgaard, and C.S. Rosenthal., eds., SCORe'96 : Solar Convection and Oscillations and their Relationship, Proceedings of a workshop, held in Aarhus, Denmark, May 27 - 31, 1996, pp. 277 - 280
Series/Report no.: Astrophysics and Space Science Library, Vol. 225
Abstract: We examine the influence of radiative damping on the modes of an isothermal magnetized plasma. This investigation is an extension of earlier work by Hasan & Christensen-Dalsgaard (1992) and Banerjee, Hasan & Christensen-Dalsgaard (1995, 1996), which treated the effects of a uniform vertical magnetic field on the adiabatic modes of a stratified atmosphere. We focus on the properties of the Lamb mode and examine its interaction with a magnetic mode. We show that radiative dissipation can significantly alter the Lamb-mode frequency and lead to a enhanced damping of the waves at the avoided crossings in the k - w diagram. This mechanism could be important for wave damping in flux tubes on the Sun.
Description: Restricted Access
ISBN: 0-7923-4902-4
Appears in Collections:IIAP Publications

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