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Author(s):
K. Itoh, S.-I. Itoh, H. Sanuki and A. Fukuyama
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Title:
Roles of Electric Field on Toroidal Magnetic Confinement
Date of publication:
Nov. 1992
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Key words:
Electric Field, Plasma Confinement, Toroidal Plasma, F1uctuations, Anomalous Transport, Inward Pinch, L-mode, H-Mode, Improved Confinement, Transition, Plasma Flow, Loss Cone
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Abstract:
Theoretical research on the influence of the electric field on the toroidal magnetic confinement is surveyed. The static electric field is first described. Physics pictures on the generation of the radial electric field and the influence on the confinement are shown. Neoclassical effects as well as the non-classical processes are discussed. Emphasis is made on the connection with the improved confinement. Convective cell, i.e. the nonuniform potential on the magnetic surface is also discussed. The roles of the fluctuating electric field are then reviewed. The progress in the recent theories on the anomalous transport is addressed. Through these surveys, the impact of the experiments using the heavy ion beam probes on the modern plasma physics is illustrated.
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