Pardi, A., Ballai, I. orcid.org/0000-0002-3066-7653, Marcu, A. et al. (1 more author) (2013) Sausage mode propagation in a thick magnetic flux tube. Solar Physics, 289 (4). pp. 1203-1214. ISSN 0038-0938
Abstract
The aim of this paper is to model the propagation of slow magnetohydrodynamic (MHD) sausage waves in a thick expanding magnetic flux tube in the context of the quiescent (VAL-C) solar atmosphere. The propagation of these waves is found to be described by the Klein–Gordon equation. Using the governing MHD equations and the VAL-C atmosphere model we study the variation of the cut-off frequency along and across the magnetic tube guiding the waves. Due to the radial variation of the cut-off frequency the flux tubes act as low frequency filters for the waves.
Metadata
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Copyright, Publisher and Additional Information: | © 2013 Springer Science+Business Media Dordrecht. This is an author-produced version of a paper subsequently published in Solar Physics. Uploaded in accordance with the publisher's self-archiving policy. | ||||
Keywords: | Magnetohydrodynamics (MHD); Sun; waves | ||||
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Institution: | The University of Sheffield | ||||
Academic Units: | The University of Sheffield > Faculty of Science (Sheffield) > School of Mathematics and Statistics (Sheffield) | ||||
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Depositing User: | Symplectic Sheffield | ||||
Date Deposited: | 13 Mar 2020 15:15 | ||||
Last Modified: | 14 Mar 2020 14:19 | ||||
Status: | Published | ||||
Publisher: | Springer | ||||
Refereed: | Yes | ||||
Identification Number: | https://doi.org/10.1007/s11207-013-0380-y | ||||
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