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Title: Sweet–Parker current slab in a partially ionized plasma
Authors: Krishan, V
Keywords: Magnetic Fields;MHD;Plasmas
Issue Date: Dec-2009
Publisher: Blackwell Publishing
Citation: Monthly Notices of the Royal Astronomical Society, Vol. 400, No. 4, pp. 2200 - 2206
Abstract: The formation of the Sweet–Parker current sheet, in fact a slab, is studied for a partially ionized plasma. The effects arising from the ion–neutral drag, the ambipolar diffusion, the resistivity resulting from electron–neutral and electron–ion collisions, and the Hall electric field are important for determining the dimensions of the current slab as well as the magnetic reconnection rate. It is the Hall effect that transforms the sheet into a slab. Along with the slab configuration, the out-of-plane plasma flow generated jointly by the Hall and the ambipolar effects is an important signature result. Although the ambipolar effect enhances and the Hall effect depletes the reconnection rate, its quantitative estimate may, at best, be considered only a pointer, owing to the lack of information on the precise physical conditions near the reconnection region in astrophysical settings.
Description: Restricted Access
ISSN: 0035-8711
???metadata.dc.rights???: © Royal Astronomical Society
Appears in Collections:IIAP Publications

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