H -mode behavior induced by cross-field currents in a tokamak

Journal Article · Sun Nov 19 23:00:00 EST 1989 · Physical Review Letters; (USA)

DOI:https://doi.org/10.1103/PhysRevLett.63.2365· OSTI ID:5072739

Taylor, R J; Brown, M L; Fried, B D; Grote, H; Liberati, J R; Morales, G J; Pribyl, P ^[1]; Ono, M ^[2]

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1. Institute for Plasma and Fusion Research, University of California, Los Angeles, California 90024 (USA)
2. Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543 (USA)

A sharp transport barrier, accompanied by a bifurcated poloidal rotation and a radial electric field, is formed at the plasma edge by driving a radial current across the outer magnetic surfaces of a tokamak. A decrease in particle transport is observed for negative radial {ital E} fields. When the radial current is turned off, the {ital E} field and the rotation damp on a time scale comparable with the ion-ion collision time.

• DOE Contract Number: FG03-86ER53225; AC02-76CH03073
• OSTI ID: 5072739
• Journal Information: Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 63:21; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700101* -- Fusion Energy-- Plasma Research-- Confinement
Heating
& Production
700102 -- Fusion Energy-- Plasma Research-- Diagnostics
ALCATOR DEVICE
CLOSED PLASMA DEVICES
CONFINEMENT
CURRENTS
ELECTRIC CURRENTS
ELECTRIC FIELDS
ELEMENTS
EMISSION SPECTRA
END EFFECTS
HYDROGEN
INHIBITION
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC SURFACES
NONMETALS
PLASMA
PLASMA CONFINEMENT
PLASMA DENSITY
PLASMA DIAGNOSTICS
ROTATING PLASMA
SPECTRA
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
ULTRAVIOLET SPECTRA