Physics
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991soph..131..319l&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 131, Feb. 1991, p. 319-336.
Physics
3
Bremsstrahlung, Electron Acceleration, Nonthermal Radiation, Solar Flares, Solar X-Rays, Electron Scattering, High Temperature Plasmas, Ion Scattering, Solar Atmosphere
Scientific paper
The behavior of the accelerated electrons escaping from a high-temperature source of primary energy in a solar flare is investigated. The direct current of fast electrons is supposed to be balanced by the reverse current of thermal electrons in the ambient colder plasma inside flare loops. The self-consistent kinetic problem is formulated, and the reverse-current electric field and the fast electron distribution function are found from its solution. The X-ray bremsstrahlung polarization is then calculated from the distribution function. The difference of results from those in the case of thermal runaway electrons (Diakonov and Somov, 1988) is discussed. The solutions with and without an account taken of the effect of a reverse-current electric field are also compared.
Litvinenko Iu. E.
Somov Boris V.
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