Particle simulation of plasma processes in the earth's magnetotail

An electromagnetic code in the Darwin approximation is used to model process in the current sheet of the Earth's magnetotail that may lead to the generation of electrostatic field responsible for auroral electron acceleration. It is shown that the Hamiltonian formulation has advantages over the...

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Bibliographic Details
Published in:Computer physics communications 1988-04, Vol.49 (1), p.173-183
Main Author: Swift, Daniel W.
Format: Article
Language:English
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Summary:An electromagnetic code in the Darwin approximation is used to model process in the current sheet of the Earth's magnetotail that may lead to the generation of electrostatic field responsible for auroral electron acceleration. It is shown that the Hamiltonian formulation has advantages over the more commonly used Lagrangian formulation of the Darwin approximation. This paper describes the specific techniques that are needed, to include the magnetic field normal to the current sheet, the presence of a convection electric field and the continuous inflow of particles from the lobe. Simulations incorporating these new features reveal new effects that maybe of significant importance to the understanding of auroral and geomagnetic storm phenomena.
ISSN:0010-4655
1879-2944
DOI:10.1016/0010-4655(88)90224-X