A two-dimensional simulation of the interaction of the plasma sheet with the lobes of the earth's magnetotail

Details A two-dimensional simulation of the interaction of the plasma sheet with the lobes of the earth's magnetotail A two-dimensional simulation of the interaction of the plasma sheet with the lobes of the earth's magnetotail

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88..125s&link_type=abstract

Journal of Geophysical Research, vol. 88, Jan. 1, 1983, p. 125-136.

Physics

22

Computerized Simulation, Geomagnetic Tail, Plasma Interactions, Plasma Layers, Space Environment Simulation, Two Dimensional Models, Atmospheric Models, Magnetic Storms, Mathematical Models, Plasmapause

Scientific paper

A model of the earth's magnetosphere tail is developed using a code involving two spatial dimensions and three velocity dimensions. The existence of an externally imposed convection electric field and the presence of cold particles in the lobes of the magnetotail are assumed in the model. It is found that the model exhibits the development of turbulence which persists as long as cold lobe particles are being convected into the neutral sheet. The model also shows the earthward jetting of plasma, which becomes particulary intense after the tail field begins to collapse toward a more dipolar configuration, and magnetic energy is converted into energy of bulk motion. The physical processes that may occur during the growth and recovery phases of substorms are identified using the model. It is shown that if the convection electric field is strong enough, the magnetic energy of the tail will increase, resulting in a more extended magnetotail.

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