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Theory for Explosive Ideal Magnetohydrodynamic Instabilities in Plasmas

Wilson, H.R. and Cowley, S.C. (2004) Theory for Explosive Ideal Magnetohydrodynamic Instabilities in Plasmas. Physical Review Letters, 92 (17). pp. 175006-1. ISSN 1079-7114

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Flux tubes confined in tokamaks are observed to erupt explosively in some plasma disruptions and edge localized modes. Similar eruptions occur in astrophysical plasmas, for example, in solar flares and magnetospheric substorms. A single unifying nonlinear evolution equation describing such behavior in both astrophysical and tokamak plasmas is derived. This theory predicts that flux tubes rise explosively, narrow, and twist to pass through overlying magnetic field lines without reconnection.

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 19 Feb 2009 16:03
Last Modified: 19 Feb 2009 16:03
Published Version: http://dx.doi.org/10.1103/PhysRevLett.92.175006
Status: Published
Publisher: The American Physical Society.
Identification Number: 10.1103/PhysRevLett.92.175006
URI: http://eprints.whiterose.ac.uk/id/eprint/7253

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