Computer Science – Sound
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...375..382w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 375, July 1, 1991, p. 382-403.
Computer Science
Sound
19
Computerized Simulation, Solar Flares, Solar X-Rays, Stellar Models, Collisionless Plasmas, Electric Fields, High Temperature Plasmas, Particle Interactions, Wave Interaction
Scientific paper
Two-dimensional electrostatic particle simulations are presented which incorporate the effect of quasi-static electric fields on particle dynamics as well as effects associated with wave-particle interactions induced by the accelerated particles. The properties of the soft and hard X-ray and microwave emissions from such systems are examined. In particular, it is shown that acceleration by quasi-static electric fields and heating via wave-particle interactions produces electron distributions with a broken-power law, similar to those inferred from hard X-ray spectra. Also, heating of the ambient plasma gives rise to a region of hot plasma propagating down to the chromosphere at about the ion sound speed.
Bornmann Pat L.
Brown John C.
Dulk George A.
Winglee Robert M.
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