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Conditions for double layers in the earth's magnetosphere and perhaps in other astrophysical objectsIt is suggested that the features which govern the formation of the double layers are: (1) the divergence of the magnetospheric electric field, (2) the ionospheric conductivity, and (3) the current-voltage characteristics of auroral magnetic field lines. Also considered are conditions in other astrophysical objects that could lead to the formation of DLs in a manner analogous to what occurs in the earth's auroral zones. It is noted that two processes can drive divergent Pedersen currents within a collisional conducting layer: (1) sheared plasma flow applied anywhere along the magnetic field lines connected to the conducting layer and (2) a neutral flow with shear within the conducting layer.
Document ID
19870057861
Document Type
Reprint (Version printed in journal)
Authors
Lyons, L. R. (Aerospace Corp. Space Sciences Laboratory, Los Angeles, CA, United States)
Date Acquired
August 13, 2013
Publication Date
May 1, 1987
Publication Information
Publication: Laser and Particle Beams
Volume: 5
ISSN: 0263-0346
Subject Category
PLASMA PHYSICS
Funding Number(s)
CONTRACT_GRANT: NASW-861
CONTRACT_GRANT: NAGW-853
Distribution Limits
Public
Copyright
Other