On the Cascading Acceleration of the Quasi-Thermal Electrons by mhd Turbulence in Solar Flares |
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| Authors: | Tsap Y.T. |
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| Affiliation: | (1) Crimean Astrophysical Observatory, p/o Nauchny, Crimea, Ukraine |
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| Abstract: | A model of the cascading acceleration of quasi-thermal electrons by MHD turbulence in solar flares is considered. Analysis shows that fast magnetoacoustic wave modes with large wavenumbers (>3×10–8 cm–1) strongly damp due to ion viscosity for both preflare and flare conditions. The viscous damping of fast magnetoacoustic wave modes is 10–100 times more efficient than Fermi or transit-time electron acceleration. |
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