Abstract
A study is made of nonquasineutral vortex structures in a plasma with a magnetic field B z in which the charges separate on a spatial scale equal to the magnetic Debye radius r B=B z/4πen e. The electric field arising due to charge separation leads to radial expansion of the ions, thereby destroying the initial electron vortex. It is shown that the ion pressure gradient stops ion expansion in a nonquasineutral electron vortex and gives rise to a steady structure with a characteristic scale on the order of r B. With the electron inertia taken into account in the hydrodynamic approximation, the magnetic vortex structure in a hot plas mamanifests itself in the appearance of a “hole” in the plasma density.
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Translated from Fizika Plazmy, Vol. 26, No. 11, 2000, pp. 1030–1037.
Original Russian Text Copyright © 2000 by Gordeev, Losseva.
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Gordeev, A.V., Losseva, T.V. Steady-state vortex structure in a plasma with a strong magnetic field. Plasma Phys. Rep. 26, 965–971 (2000). https://doi.org/10.1134/1.1323561
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DOI: https://doi.org/10.1134/1.1323561