On the boundary of an equilibrium plasma near the magnetic separatrix in a tokamak |
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Authors: | V. I. Ilgisonis I. V. Khalzov |
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Affiliation: | (1) Institute of Nuclear Fusion, Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, Russia |
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Abstract: | It is shown that plasma rotation near the tokamak the wall can result in a shift of the isobaric separatrix with respect to the magnetic one. This shift is calculated analytically, and this effect is exemplified by simple plasma equilibrium states. The plasma rotation that causes the shift of the separatrices can be driven either by a nonzero radial electric field at the plasma edge or by the Hall effect, which may take place even in the absence of the electric field. |
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