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Abstract

The experimental observation of the association of the internal heat transport barriers in tokamaks with rational q surfaces is an open problem. Often the mechanism invoked for the onset of an internal transport barrier relies on the reduction of turbulence by a local increase of the E x B velocity shear. In this paper, we present in some detail the theoretical analysis of the possible role of an externally applied electrodynamic torque, resonant on a rational surface with the support of selected Joint European Torus experimental results.

Additional information

Authors: LAZZARO E, Istituto di Fisica del Plasma, EURATOM�ENEA�CNR Association Milano (IT);MANTICA P, Istituto di Fisica del Plasma, EURATOM�ENEA�CNR Association Milano (IT);GERVASINI G, Istituto di Fisica del Plasma, EURATOM�ENEA�CNR Association Milano (IT);VARISCHETTI M C, Istituto di Fisica del Plasma, EURATOM�ENEA�CNR Association Milano (IT);JOFFRIN E, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);COELHO R, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);SMOLYAKOV A I, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR);ZANCA P, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: An article published in: Physica Scripta 73 (2006), pp. 129-136
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://dx.doi.org/10.1088/0031-8949/73/2/002
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