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Title: Numerical simulation of magnetic reconnection and plasmoid dynamics in the geotail
Authors: Roy, Manashi
Lakhina, G S
Issue Date: Aug-2002
Publisher: NISCAIR-CSIR, India
Abstract: The time evolution of the geotail is represented by a set of single fluid magnetohydrodynamic (MHD) equations. The initial equilibrium is allowed to be destroyed by a finite, but very small electric resistivity, so that the fluid is still an almost ideal MHD system. The subsequent evolution of the geotail is investigated by a two-dimensional numerical code. The onset of reconnection and formation of magnetic island-like structures called plasmoids are reproduced. The velocity pattern and the size of plasmoid are investigated under different initial conditions and are compared with actual observations in space.
Page(s): 183-189
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.31(4) [August 2002]

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