Current loop coalescence studied by 3-D electromagnetic particle code

Details Current loop coalescence studied by 3-D electromagnetic particle code Current loop coalescence studied by 3-D electromagnetic particle code

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ppcn.conf..229n&link_type=abstract

In ESA, Fourth International Toki Conference on Plasma Physics and Controlled Nuclear Fusion p 229-232 (SEE N94-22624 05-75)

Physics

Plasma Physics

Particle Trajectories, Plasma Currents, Plasma-Particle Interactions, Solar Flares, Three Dimensional Models, Algorithms, Computer Systems Programs, Current Sheets, Energy Transfer, Magnetohydrodynamic Stability, Magnetohydrodynamics, Solar Activity Effects

Scientific paper

Solar flare plasma data from the Yohkoh satellite is analyzed. The interactions of current loops were observed in the active regions on the Sun. This observation pointed out the importance of the idea that the solar flare is generated by the coalescence of current loops. The three dimensional electromagnetic particle simulations are to help in understanding the global interaction between two current loops including the evolution of the twist of loops due to instabilities. Associated rapid dynamics of current loop coalescence such as reconnection, shock waves and associated kinetic processes such as energy transfer, acceleration of particles, and electromagnetic emissions are to be studied by the code to complement analytical theories and magnetohydrodynamic simulations of the current loop coalescence. The simulation results show the strong interactions between two current loops, beam and whistler instabilities, and associated parallel and perpendicular particle heating.

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