Abstract
AbstractObservations show that electron acceleration in solar flares occurs in magnetic reconnection regions above the soft X‐ray flare loops in the corona. Acceleration by a super‐Dreicer electric field in a reconnecting current sheet appears to be the most direct way of producing electrons with the energy in range between 10keV and 10MeV. The results in this paper demonstrate that the longitudinal magnetic field efficiently ‘locks’ electrons in the reconnecting current sheet, thus allowing the acceleration by the transverse electric field. This mechanism may be useful to interpret the generation of relativistic ions in large impulsive flares.
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