The formation of current sheets in the solar atmosphere

Details The formation of current sheets in the solar atmosphere The formation of current sheets in the solar atmosphere

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...312..423z&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 312, Jan. 1, 1987, p. 423-430. Research supported by the CUSPEA Program.

Astronomy and Astrophysics

Astrophysics

47

Current Sheets, Solar Atmosphere, Solar Corona, Stellar Models, Atmospheric Boundary Layer, Magnetohydrodynamic Flow, Solar Magnetic Field, Stellar Structure, Topology

Scientific paper

A simple model of the effect of slow photospheric motions on the coronal magnetic field is examined. In this model, a magnetic field is stretched between two conducting plates and slow tangential displacements of the plates cause the field to evolve quasi-statically. If the field is treated as a continuum, the interior magnetic topology is uniquely specified by the displacement of the boundaries, while the topology of a field made up of discrete flux tubes is not determined by the boundary displacement. Treating the field as a continuum, it is found that small perturbations of a constant vertical or weakly sheared field can come to an equilibrium free of singularities if the separation between the plates is finite.

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