On acceleration of plasmoids in magnetohydrodynamic simulations of magnetotail reconnection

Details On acceleration of plasmoids in magnetohydrodynamic simulations of magnetotail reconnection On acceleration of plasmoids in magnetohydrodynamic simulations of magnetotail reconnection

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96.3581s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, March 1, 1991, p. 3581-3588.

Computer Science

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5

Electrical Resistivity, Magnetic Field Reconnection, Magnetohydrodynamics, Magnetotails, Satellite Sounding, Computerized Simulation, Geomagnetism, Magnetic Field Configurations, Magnetopause, Pressure Gradients

Scientific paper

Using two-dimensional MHD simulations, the formation of plasmoids and their acceleration are analyzed under different resistivity laws. The plasmoid acceleration is analyzed by either localizing a resistivity at some near-earth distance and keeping it fixed in time or by assuming a resistivity which depends on the electrical current density. The results are compared with the case of a spatially and temporally constant resistivity. It is shown that different resistivity laws lead to different plasmoid behavior.

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