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The field of a screened magnetic dipoleThe purpose of this note is to quantitatively study the asymptotic behavior of the dipole magnetic field in the tail region of a paraboloidal or cylindrical model of the magnetosphere, assuming the complete screening of the internal field by magnetopause currents. This screening assumption is equivalent to imposing the boundary condition that the normal component of the magnetic field is zero at the magnetopause. With this boundary condition, the screened dipole field falls off exponentially with distance down the tail, in sharp constrast to the bare dipole field. Analytic expressions for a cylindrical and paraboloidal magnetopause are given.
Document ID
19950036421
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Greene, J. M.
(General Atomics, San Diego, CA United States)
Miller, R. L.
(General Atomics, San Diego, CA United States)
Date Acquired
August 16, 2013
Publication Date
October 1, 1994
Publication Information
Publication: Planetary and Space Science
Volume: 42
Issue: 10
ISSN: 0032-0633
Subject Category
Physics (General)
Accession Number
95A68020
Funding Number(s)
CONTRACT_GRANT: NAGW-4651
CONTRACT_GRANT: NAGW-4393
Distribution Limits
Public
Copyright
Other

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