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Dilation of force-free magnetic flux tubesA general study is presented of the mapping functions which relate the magnetic-field profiles across a force-free rope in segments subjected to various external pressures. The results reveal that if the external pressure falls below a certain critical level (dependent on the flux-current relation which defines the tube), the magnetic profile consists of an invariant core sheathed in a layer permeated by an azimuthal magnetic field.
Document ID
19770059511
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Frankenthal, S.
(American Science and Engineering, Inc., Cambridge, Mass.; Tel Aviv University Tel Aviv, Israel)
Date Acquired
August 9, 2013
Publication Date
August 1, 1977
Publication Information
Publication: Astrophysical Journal
Subject Category
Solar Physics
Accession Number
77A42363
Funding Number(s)
CONTRACT_GRANT: NAS8-27758
Distribution Limits
Public
Copyright
Other

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