Effects of impulsively heated electrons in solar flares

Details Effects of impulsively heated electrons in solar flares Effects of impulsively heated electrons in solar flares

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987baicz..38..201k&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 38, July 1987, p. 201-206.

Astronomy and Astrophysics

Astronomy

3

Hot Electrons, Plasma Heating, Pulse Heating, Solar Electrons, Solar Flares, Coronal Loops, Electric Current, Ion Density (Concentration)

Scientific paper

Using a one-dimensional particle code, the evolution of impulsively heated electrons in the flare loop is examined. The processes are studied in two regimes: with and without the electric current. One run was made for the system with the constant electric current, simulating the large inductance of the current loop. It was shown that impulsive electron heating leads to the formation of a double layer. Moreover, this heating can trigger the ion-acoustic instability in the current system of a flare loop. Both these effects increase the flare energy release. The generated electrostatic high-frequency waves can be observed as a radio burst.

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