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A solar flare model including the formation and destruction of the current sheet in the corona

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Abstract

A numerical simulation method is used to show the possibility of forming a current sheet in the solar corona in an active region with four magnetic poles. The evolution of the quasi-stationary current sheet can lead to its transfer to an unsteady state. The MHD instability of this sheet causes its decay, accompanied by a set of events which characterizes the solar flare. The electrodynamical model of a solar flare includes a system of field-aligned currents typical of a magnetospheric substorm. Several events in substorms and solar flares are explained by the generation of field-aligned currents.

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Authors and Affiliations

  1. Lebedev Physical Institute, USSR Academy of Science, Moscow, Russia

    A. I. Podgorny

  2. Space Research Institute, USSR Academy of Science, Moscow, Russia

    I. M. Podgorny

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  1. A. I. Podgorny
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  2. I. M. Podgorny
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Podgorny, A.I., Podgorny, I.M. A solar flare model including the formation and destruction of the current sheet in the corona. Sol Phys 139, 125–145 (1992). https://doi.org/10.1007/BF00147885

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  • DOI: https://doi.org/10.1007/BF00147885

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