Other
Scientific paper
Dec 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....9821277w&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. A12, p. 21,277-21,289
Other
1
Earth Magnetosphere, Electric Fields, Geomagnetic Tail, Interplanetary Magnetic Fields, Magnetic Field Reconnection, Mathematical Models, Plasma Interactions, Solar Wind, Magnetic Field Configurations, Solar Terrestrial Interactions
Scientific paper
We have developed a new canonical separator line type magnetospheric magnetic field and electric field model for use in magnetospheric calculations, we determine the magnetic and electric field by controlling the reconnection rate at the subsolar magnetopause. The model is applicable only for purely southward interplanetary magnetic field (IMF). We have obtained a more realistic magnetotail configuration by applying a stretch transformation to an axially symmetric field solution. We also discuss the Stern singularity in which there is an electric field singlarity in the canonical separate line models for B(sub y) not = to 0 by using a new technique that solves for the electric field along a field line directly instead of determining it by a potential mapping. The singularity not only causes an infinite electric field on the polar cap, but also causes the boundary conditions at plus infinity and minus infinity in the solar wind to contradict each other. This means that the canonical separator line models do not represent the open magnetosphere well, except for the case of purely southward IMF.
Ashour-Abdalla Maha
Walker Raymond J.
Wang Zhi
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