Instability of a prominence supported in a linear force-free field. II - Effect of twist or flux conservation

Details Instability of a prominence supported in a linear force-free field. II - Effect of twist or flux conservation Instability of a prominence supported in a linear force-free field. II - Effect of twist or flux conservation

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...245..289d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 245, no. 1, May 1991, p. 289-298.

Astronomy and Astrophysics

Astrophysics

9

Force-Free Magnetic Fields, Magnetic Field Configurations, Solar Magnetic Field, Solar Prominences, Magnetohydrodynamics, Potential Fields, Solar Corona

Scientific paper

Ideal MHD equations are used to study the vertical stability of a prominence in a linear force-free field in two dimensions. The prominence is modeled by a line current in equilibrium at a height between the background magnetic force, the repulsion of image currents and gravity. Attention is given to boundary conditions, current evolution, parameters, stability results with boundary conditions, and the effects of lateral boundaries.

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