Cyclotron resonance maser as a solar flare trigger

Details Cyclotron resonance maser as a solar flare trigger Cyclotron resonance maser as a solar flare trigger

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996r%26qe...39..463t&link_type=abstract

Radiophysics and Quantum Electronics, Volume 39, Issue 6, pp.463-471

Physics

Scientific paper

We propose a new mechanism of solar flaring, which is based on explosive phenomena in magnetic traps in the presence of a two-component plasma composed of fast electrons with anisotropic velocity distribution and a dense cold background plasma with high ionization. It is assumed that such a plasma is generated in a coronal magnetic trap in a preflare stage. This system, which is essentially a cyclotron resonance maser, becomes unstable under certain conditions and gives rise to an explosive cyclotron instability, which develops at first in a very small local area and is accompanied by intense heating of the background plasma and release of fast electrons at the trap ends. The energy of fast particles is collected from the entire volume of the magnetic trap and is localized in the form of heat in the explosion area from which thermal and shock waves are propagated. The model makes it possible to explain the main solar flare effects.

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