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A Key to Improved I...
A Key to Improved Ion Core Confinement in the JET Tokamak : Ion Stiffness Mitigation due to Combined Plasma Rotation and Low Magnetic Shear
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Mantica, P. (author)
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Angioni, C. (author)
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Challis, C. (author)
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Colyer, G. (author)
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- Frassinetti, Lorenzo (author)
- KTH,Fusionsplasmafysik
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Hawkes, N. (author)
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- Johnson, Thomas (author)
- KTH,Fusionsplasmafysik
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Tsalas, M. (author)
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deVries, P. C. (author)
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- Weiland, Jan, 1944 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Baiocchi, B. (author)
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Beurskens, M. N. A. (author)
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Figueiredo, A. C. A. (author)
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Giroud, C. (author)
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Hobirk, J. (author)
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Joffrin, E. (author)
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Lerche, E. (author)
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Naulin, V. (author)
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Peeters, A. G. (author)
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Salmi, A. (author)
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Sozzi, C. (author)
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Strintzi, D. (author)
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Staebler, G. (author)
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Tala, T. (author)
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Van Eester, D. (author)
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Versloot, T. (author)
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(creator_code:org_t)
- 2011
- 2011
- English.
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 107:13, s. 135004-
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Abstract
Subject headings
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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.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- turbulence simulations
- transport barriers
- thermal transport
- modes
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Mantica, P.
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Angioni, C.
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Challis, C.
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Colyer, G.
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Frassinetti, Lor ...
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Hawkes, N.
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show more...
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Johnson, Thomas
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Tsalas, M.
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deVries, P. C.
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Weiland, Jan, 19 ...
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Baiocchi, B.
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Beurskens, M. N. ...
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Figueiredo, A. C ...
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Giroud, C.
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Hobirk, J.
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Joffrin, E.
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Lerche, E.
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Naulin, V.
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Peeters, A. G.
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Salmi, A.
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Sozzi, C.
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Strintzi, D.
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Staebler, G.
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Tala, T.
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Van Eester, D.
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Versloot, T.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
- Articles in the publication
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Physical Review ...
- By the university
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Royal Institute of Technology
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Chalmers University of Technology