Physics
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989georl..16..155o&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 16, Feb. 1989, p. 155-158.
Physics
28
Interplanetary Magnetic Fields, Magnetic Field Reconnection, Magnetohydrodynamics, Magnetopause, Daytime, Magnetic Field Configurations, Magnetic Flux
Scientific paper
Dayside magnetic reconnection was studied by using a three-dimensional global magnetohydrodynamic simulation of the interaction between the solar wind and the magnetosphere. Two different mechanisms were found for the formation of magnetic flux tubes at the dayside magnetopause, which depend on the orientation of the interplanetary magnetic field (IMF). The dayside magnetic flux tubes occur only when the IMF has a southward component. A strongly twisted and localized magnetic flux tube similar to magnetic flux ropes appears at the subsolar magnetopause when the IMF has a large B(y) component. When the B(y) component is small, twin flux tubes appear at the dayside magnetopause. Both types of magnetic flux tube are consistent with several observational features of flux transfer events and are generated by antiparallel magnetic reconnection.
Ashour-Abdalla Maha
Ogino Tatsuki
Walker Raymond J.
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