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A generalized Petschek magnetic reconnection rate
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Arber, T. D. and Haynes, M. (2006) A generalized Petschek magnetic reconnection rate. PHYSICS OF PLASMAS, 13 (11). -. doi:10.1063/1.2375039 ISSN 1070-664X.
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Official URL: http://dx.doi.org/10.1063/1.2375039
Abstract
Simple physical arguments show that a generalization of the basic Petschek reconnection rate allows it to be extended to the Hall magnetohydrodynamic (MHD) rate. This result is confirmed by direct numerical simulations of the compressible fluid equations. To ensure that Petschek reconnection is obtained we specify a localized resistivity. The new generalized reconnection rate therefore gives an accurate estimate of the unforced Petschek reconnection rate for both MHD and Hall MHD. Since the Hall Petschek rate does not vanish in the limit of zero resistivity this generalized rate may also give the collisionless Hall Petschek reconnection rate. (c) 2006 American Institute of Physics.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICS OF PLASMAS | ||||
Publisher: | AMER INST PHYSICS | ||||
ISSN: | 1070-664X | ||||
Official Date: | November 2006 | ||||
Dates: |
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Volume: | 13 | ||||
Number: | 11 | ||||
Number of Pages: | 5 | ||||
Page Range: | - | ||||
DOI: | 10.1063/1.2375039 | ||||
Publication Status: | Published |
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