Physics
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21.2455r&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 21, no. 23, p. 2455-2458
Physics
27
Interplanetary Magnetic Fields, Magnetohydrodynamic Flow, Magnetosheath, Molecular Ions, Plasma Sheaths, Solar Wind, Three Dimensional Models, Computerized Simulation, Electric Fields, Ion Density (Concentration), Ion Temperature, Mathematical Models, Particle Trajectories, Trapped Particles
Scientific paper
We have examined some possible entry mechanisms of solar wind ions into the magnetosphere by calculating the trajectories of thousands of non-interacting ions in the magnetic and electric fields from a three dimensional global magnetohydrodynamic (MHD) simulation of the magnetosphere and the magnetosheath, under northward interplanetary magnetic field (IMF) conditions. Particles, launched in the solar wind, entered the magnetosphere and formed the low latitude boundary layer (LLBL), plasma sheet and a region of trapped particles near the Earth. The densities and temperatures we obtained in these regions were realistic, with the exception of trapped particle densities. The dominant entry mechanism was convection into the magnetosphere on reconnecting field lines.
Ashour-Abdalla Maha
Richard Robert L.
Walker Raymond J.
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