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Titolo:
Neoclassical current drive by waves with a symmetric spectrum
Autore:
Helander, P; Catto, PJ;
Indirizzi:
EURATOM UKAEA Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England EURATOM UKAEA Fus Assoc Abingdon Oxon England OX14 3DB 3DB, Oxon, England MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA MIT Cambridge MA USA 02139 Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA
Titolo Testata:
PHYSICS OF PLASMAS
fascicolo: 5, volume: 8, anno: 2001,
parte:, 2
pagine: 1988 - 1994
SICI:
1070-664X(200105)8:5<1988:NCDBWW>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
POLOIDAL ELECTRIC-FIELD; PLASMA CURRENTS; TOKAMAK;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Helander, P EURATOM UKAEA Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England EURATOM UKAEA Fus Assoc Abingdon Oxon England OX14 3DB ngland
Citazione:
P. Helander e P.J. Catto, "Neoclassical current drive by waves with a symmetric spectrum", PHYS PLASMA, 8(5), 2001, pp. 1988-1994

Abstract

It is shown that plasma waves need not have an asymmetric spectrum in order to produce an electric current in a plasma embedded in a curved magnetic field. For instance, in a toroidal plasma, up-down asymmetric electron-cyclotron heating drives a toroidal current even if there is no net wave-particle momentum transfer and the wave field does not interact preferentially with electrons travelling in any one direction. The resulting current drive efficiency is calculated and is found to be smaller than that of the conventional current drive mechanism in the banana regime, but not insignificant in the plateau regime. (C) 2001 American Institute of Physics.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 10:15:21