Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988azh....65..396m&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 65, Mar.-Apr. 1988, p. 396-402. In Russian.
Astronomy and Astrophysics
Astronomy
1
Field Aligned Currents, Filaments, Force-Free Magnetic Fields, Magnetohydrodynamic Stability, Solar Activity, Lines Of Force, Magnetic Field Configurations, Photosphere
Scientific paper
It was shown previously that the equilibrium (linear) current in an external potential field can lead to the rapid motion of a filament due to a loss in stability. In the present paper, consideration is given to a field which can be treated either as a loop system or as a rope in an external potential field. The field arises due to displacement-type motion and the simultaneous shifting of the plasma from the line of field-polarity change. The current above the plane of the photosphere continuously rises because of this motion. The configuration is characterized by the following three parameters: the external homogeneous field, the radius of the rope, and the angle between the axis of the rope and the direction of the external field. This is a new solution to the fff equations and the new model of the confinement of a filament in equilibrium.
Filippov B. P.
Molodenskij M. M.
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