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Numerical simulation of the subsolar magnetopause current layer in the sun-earth meridian planeThe formation and stability of the magnetopause current layer near the subsolar point in the sun-earth meridian plane are examined using a 2D electromagnetic particle simulation. For the case of zero IMF, the simulation results show that the current layer remains stable and is essentially the same as in the 1D simulation. The width of the current layer is given by the electron-ion hybrid gyroradius which is much smaller than the ion gyroradius. The current layer is found to remain stable for the northward IMF as well. As in the 1D simulation, the jump of the magnetic field at the current layer for the northward IMF remains small. For the southward IMF, collisionless magnetic reconnection is found to develop, leading to the formation of magnetic islands and density peaking within the current layer.
Document ID
19930046827
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Okuda, H.
(Princeton Univ. NJ, United States)
Date Acquired
August 16, 2013
Publication Date
March 1, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: A3
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
93A30824
Funding Number(s)
CONTRACT_GRANT: NAGW-2538
CONTRACT_GRANT: NSF ATM-89-14792
CONTRACT_GRANT: NSF ATM-91-11682
CONTRACT_GRANT: DE-AC02-76CH-03073
Distribution Limits
Public
Copyright
Other

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