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  • Author: Mantica, P.

  • Author: Challis, C.

  • Author: Peeters, A.G.

  • Author: Strintzi, D.

  • Author: Tala, T.

  • Author: Tsalas, M.

  • Author: deVries, P.C.

  • Author: Baiocchi, B.

  • Author: Baruzzo, M.

  • Author: Bizarro, J.

  • Author: Buratti, P.

  • Author: Citrin, J.

  • Author: Colyer, G.

  • Author: Crisanti, F.

  • Author: Garbet, X.

  • Author: Giroud, C.

  • Author: Hawkes, N.

  • Author: Hobirk, J.

  • Author: Imbeaux, F.

  • Author: Joffrin, E.

  • Author: Johnson, T.

  • Author: Lerche, E.

  • Author: Mailloux, J.

  • Author: Naulin, Volker

    Plasma Physics and Technology Programme, Risø National Laboratory for Sustainable Energy, Technical University of Denmark, Denmark

  • Author: Salmi, A.

  • Author: Sozzi, C.

  • Author: Staebler, G.

  • Author: Van Eester, D.

  • Author: Versloot, T.

  • Author: Weiland, J.

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New transport experiments on JET indicate that ion stiffness mitigation in the core of a rotating plasma, as described by Mantica et al. Phys. Rev. Lett. 102 175002 (2009)] results from the combined effect of high rotational shear and low magnetic shear. The observations have important implications for the understanding of improved ion core confinement in advanced tokamak scenarios. Simulations using quasilinear fluid and gyrofluid models show features of stiffness mitigation, while nonlinear gyrokinetic simulations do not. The JET experiments indicate that advanced tokamak scenarios in future devices will require sufficient rotational shear and the capability of q profile manipulation. © 2011 American Physical Society
Original languageEnglish
JournalPhysical Review Letters
Publication date2011
Volume107
Issue13
Pages135004
ISSN0031-9007
DOIs
StatePublished

Bibliographical note

Copyright 2011 American Physical Society. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Physical Society

CitationsWeb of Science® Times Cited: 27

Keywords

  • Fusion energy
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