Physics
Scientific paper
May 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995soph..158..301s&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 158, no. 2, p. 301-316
Physics
6
Astronomical Models, Collisions, Loops, Plasma Currents, Plasmas (Physics), Solar Flares, Solar Physics, Sun, Magnetic Field Reconnection, Magnetohydrodynamics, Simulation, Solar Magnetic Field
Scientific paper
We present a model of solar flares triggered by collisions between current loops and plasmoids. We investigate a collision process between a force-free current loop and a plasmoid, by using 3-D resistive MHD code. It is shown that a current system can be induced in the front of a plasmoid, when it approaches a force-free current loop. This secondary current produced in the front of the plasmoid separates from the plasmoid and coalesces to the force-free current loop associated with the magnetic reconnection. The core of the plasmoid stays outside the reconnection region, maintaining high density. The core can be confined by the current system produced around the plasmoid. This collision process between a current loop and a plasmoid may explain the triggering of solar flares observed by Yohkoh.
Fushiki Toshiaki
Nishikawa Ken-Ichi
Sakai Jun-Ichi
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