Coronal plasma heating problem |
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| Authors: | V V Zaytsev |
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| Institution: | 1.Institute of Applied Physics,Russian Academy of Sciences,Nizhni Novgorod,Russia |
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| Abstract: | The problem of coronal plasma heating is discussed based on coronal magnetic loop heating. The radiation loss in coronal plasma
is very high; therefore, it is necessary that rather powerful heating sources exist in this plasma in order to maintain the
corona in a quasistationary state. The existing heating mechanisms (current dissipation, magnetic reconnection, microflares,
wave heating) are briefly considered from the standpoint of their effectiveness and elaboration. A conclusion has been drawn
that heating by microflares and wave heating can be the most promising mechanisms from the standpoint of energy. The mechanism
of heating by magnetic reconnection has not yet been studied in detail from the standpoint of its effectiveness and implementation
conditions. Heating as a result of Joule dissipation of electric currents is only possible when current filamentation is strong,
the presence of which cannot be verified since the equipment resolution is still insufficient. |
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