Instability of a prominence supported in a linear force-free field

Details Instability of a prominence supported in a linear force-free field Instability of a prominence supported in a linear force-free field

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...206..336d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 206, no. 2, Nov. 1988, p. 336-347.

Physics

29

Field Theory (Physics), Magnetohydrodynamic Stability, Solar Corona, Solar Prominences, Differential Equations, Green'S Functions, Harmonics, Solar Gravitation, Solar Magnetic Field

Scientific paper

The authors analyse the equilibrium of a prominence by modelling it as a line of current under the action of gravity and of a two-dimensional constant force-free field. They show that a region of non-equilibrium may occur, if the field strength is great enough, for some distribution of the base flux. This occurs for both Kippenhahn-Schlüter and Kuperus-Raadu topologies and the region of non-equilibrium increases with the shear.

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