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Global acoustic resonance in a stratified solar atmosphere

Taroyan, Y. and Erdelyi, R. (2008) Global acoustic resonance in a stratified solar atmosphere. Solar Physics, 251 (1-2). pp. 523-531. ISSN 1573-093X

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Abstract

The upward propagation of linear acoustic waves in a gravitationally stratified solar atmosphere is studied. The wave motion is governed by the Klein – Gordon equation, which contains a cutoff frequency introduced by stratification. The acoustic cutoff may act as a potential barrier when the temperature decreases with height. It is shown that waves trapped below the barrier could be subject to a resonance that extends into the entire unbounded atmosphere of the Sun. The parameter space characterizing the resonance is explored.

Item Type: Article
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > School of Mathematics and Statistics (Sheffield)
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Depositing User: Mrs Megan Hobbs
Date Deposited: 25 Mar 2010 16:21
Last Modified: 07 Jun 2010 11:10
Published Version: http://dx.doi.org/10.1007/s11207-008-9154-3
Status: Published
Publisher: Springer
Identification Number: 10.1007/s11207-008-9154-3
URI: http://eprints.whiterose.ac.uk/id/eprint/10533

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