Solar flares and the virial theorem

Details Solar flares and the virial theorem Solar flares and the virial theorem

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991azh....68..373l&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 68, Mar.-Apr. 1991, p. 373-383. In Russian.

Astronomy and Astrophysics

Astronomy

Current Sheets, Solar Atmosphere, Solar Flares, Solar Magnetic Field, Virial Theorem, Electric Current, Gravitational Effects, Magnetic Field Reconnection, Magnetohydrodynamics, Photosphere

Scientific paper

An expression following from the virial theorem, for the magnetic energy of a current sheet is considered under preflare conditions in the solar atmosphere. The false conclusion on the equality of this energy to the gravitational energy of the current sheet is shown to be a consequence of unjustified application of the mirror currents model to the solar atmosphere. Wave processes created by the generation of electric currents in the corona are discussed. When used correctly, the virial theorem confirms the possibility that magnetic reconnection in current sheets can explain the solar flare energetics.

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