Physics
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96.5565o&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 96, April 1, 1991, p. 5565-5574. SERC-supported research.
Physics
32
Current Sheets, Magnetic Field Configurations, Magnetopause, Plasma Dynamics, Solar Terrestrial Interactions, Boundary Layer Flow, Convection Currents, Field Aligned Currents, Magnetic Field Reconnection, Plasma Drift
Scientific paper
This paper reexamines arguments formulated and restated by Heikkila to the effect that a magnetosheath plasma cloud having 'excess' momentum which impinges on the dayside magnetopause boundary is able to flow continuously through the boundary onto both open and closed flux tubes in the interior. It is shown that the argument used to arrive at this conclusion is not correct. The error in the argument concerns the nature of the flow which is associated with the induction electric field produced by the perturbed current layer, which was assumed by Heikkila to be such as to keep the plasma jet just moving with the boundary. Heikkila's argument, correctly applied, does not lead to 'impulsive transport' of plasma through the magnetopause.
Cowley Stan W. H.
Owen Christopher J.
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