Computer Science
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnt...16..303t&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, vol. 16, no. 4, p. 303-315
Computer Science
Scientific paper
The problem of boundary conditions for the equilibrium magnetic configurations in cosmic plasmas is analyzed. We show that the account must be taken of the magnetic field diffusion at the plasma-plasma boundary when the magnetohydrostatic equilibrium of flux tubes is considered. A mechanism is proposed for the formation of cavities in the vicinity of solar prominences as a result of twisting of a gigantic loop in the solar corona. Because of the twisting of field lines the loop diameter increases, the loop's inner part is compressed, while the outer part expands. The increase of the diameter results in the replacement of the chromospheric plasma by magnetic field and the formation of a chromospheric cavity. The formation of a coronal cavity is linked to the rarefaction of plasma caused by the expansion of the outer part of the loop. The proposed mechanism agrees with the Priest-Hood-Anzer model which suggest that prominences are formed in the solar corona.
Shakhovskaya A. N.
Tsap Yu. T.
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