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Abstract

By applying lower hybrid current drive (LHCD) for strong electron heating and off-axis current drive starting very early in the discharge, an electron internal transport barrier (eITB) can be generated. The barrier is formed just inside the location of minimum q, and slowly moves inward with this location. During the current flat-top the barrier can be sustained during many seconds, either with continued LHCD, or by ion cyclotron resonance heating. In this paper both scenarios are analysed and compared.

Additional information

Authors: STRATTON B C, Princeton Plasma Physics Laboratory, Princeton (US);RIMINI F G, Association EURATOM-CEA, CEA Cadarache, Saint-Paul-lez-Durance (FR);LITAUDON X, Association EURATOM-CEA, CEA Cadarache, Saint-Paul-lez-Durance (FR);IMBEAUX F, Association EURATOM-CEA, CEA Cadarache, Saint-Paul-lez-Durance (FR);CORTES S R, Euratom/IST Association, Centro de Fusao Nuclea, Lisboa (GB);CONWAY G D, Max Planck Institut für Plasmaphysik, EURATOM Association, Garching (DE);BARANOV Y ET AL, Euratom/UKAEA Fusion Association, Culham Science Centre, Abingdon (GB);DE BAAR M R, FOM Instituut voor Plasmafysica `Rijnhuizen', Associatie EURATOM-FOM, Nieuwegein (NL);HOGEWEIJ G M D, FOM Instituut voor Plasmafysica `Rijnhuizen', Associatie EURATOM-FOM, Nieuwegein (NL)
Bibliographic Reference: An article published in: Plasma Physics and Controlled Fusion, 44 (July 2002), pp. 1155-1165
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://stacks.iop.org/0741-3335/44/1155
Record Number: 200215043 / Last updated on: 2002-07-29
Category: PUBLICATION
Original language: en
Available languages: en