Physics – Plasma Physics
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jgra..11310209p&link_type=abstract
Journal of Geophysical Research, Volume 113, Issue A10, CiteID A10209
Physics
Plasma Physics
11
Magnetospheric Physics: Plasmasphere, Magnetospheric Physics: Magnetosphere: Inner, Magnetospheric Physics: Solar Wind/Magnetosphere Interactions, Magnetospheric Physics: Magnetic Storms And Substorms (7954), Space Plasma Physics: Kinetic And Mhd Theory
Scientific paper
The scientific goal of the present paper is to develop a three-dimensional physical dynamic model of the plasmasphere that is constrained by realistic data. The core of the plasmasphere is obtained from the kinetic exospheric approach assuming a kappa velocity distribution function for the particles. The relative abundance of trapped particles is constrained in such way that the density profiles correspond to Carpenter and Anderson's (1992) observations. The position of the plasmapause is determined by the interchange instability mechanism for the formation of the plasmapause, which is a function of the level of geomagnetic activity. The deformation of the plasmasphere during quiet and disturbed geomagnetic periods is illustrated and compared with the results of other plasmaspheric models and observations of IMAGE and Cluster.
Pierrard Viviane
Stegen Koen
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