Physics
Scientific paper
Jun 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....95.8133b&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 95, June 1, 1990, p. 8133-8147.
Physics
19
Current Sheets, Flux Transfer Events, Magnetopause, Particle Trajectories, Solar Terrestrial Interactions, Two Dimensional Models, Magnetohydrodynamic Flow, Perturbation Theory, Solar Wind
Scientific paper
The fundamental interaction between the magnetosheath flow and the magnetospheric field is examined using 2.5-dimensional simulation. The self-consistent establishment of a current layer resulting from both diamagnetic drift and E x B drift due to charge separation is observed. During the establishment of the current layer, its thickness is of the order of the hybrid gyroradius predicted by the Ferraro-Rosenbluth model. However, diagnostics indicate that the current sheet is subject to an instability which broadens the width of the current layer. Ripples with wavelengths of the order of the ion gyroradius appear at the interface between the field and the particles. These perturbations are observed both on the electrostatic field and on the compressional component of the magnetic field.
Berchem Jean
Okuda Hideo
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