Computer Science – Numerical Analysis
Scientific paper
Dec 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251..781l&link_type=abstract
Astrophysical Journal, Part 1, vol. 251, Dec. 15, 1981, p. 781-791.
Computer Science
Numerical Analysis
96
Cold Plasmas, Electron Acceleration, Electron Distribution, High Energy Electrons, Solar Electrons, Solar Flares, Solar X-Rays, Fokker-Planck Equation, Magnetic Field Configurations, Solar Magnetic Field, Solar Wind, Steady State, Stellar Models
Scientific paper
The models describing the operative physical processes occurring during the impulsive phase of a solar flare can be broadly classified as thermal or nonthermal models. The current investigation is part of a series of studies which analyze the general characteristics of the 'nonthermal' models. The results are presented of an analysis regarding the steady state distribution of energetic electrons within the flare plasma. The time independent Fokker-Planck equation is used to determine the steady state distribution of the electrons in the ambient plasma. The model investigated encompasses thick-target, thin-target, and trap aspects of nonthermal hard X-ray models. High energy electrons with some initial energy spectrum and pitch angle distribution are injected at a height above the photosphere either into a closed magnetic loop structure or into an open field structure. Some approximate analytic solutions are discussed and the results of a numerical analysis are presented.
Leach Javier
Petrosian Vahe
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