Nonlinear Stabilization of Tokamak Microturbulence by Fast Ions (Articolo in rivista)

Type
Label
  • Nonlinear Stabilization of Tokamak Microturbulence by Fast Ions (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.111.155001 (literal)
Alternative label
  • Citrin, J [ 1 ] ; Jenko, F [ 2 ] ; Mantica, P [ 3 ] ; Told, D [ 2 ] ; Bourdelle, C [ 4 ] ; Garcia, J [ 4 ] ; Haverkort, JW [ 1,5 ] ; Hogeweij, GMD [ 1 ] ; Johnson, T [ 6 ] ; Pueschel, MJ [ 7 ] (2013)
    Nonlinear Stabilization of Tokamak Microturbulence by Fast Ions
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Citrin, J [ 1 ] ; Jenko, F [ 2 ] ; Mantica, P [ 3 ] ; Told, D [ 2 ] ; Bourdelle, C [ 4 ] ; Garcia, J [ 4 ] ; Haverkort, JW [ 1,5 ] ; Hogeweij, GMD [ 1 ] ; Johnson, T [ 6 ] ; Pueschel, MJ [ 7 ] (literal)
Pagina inizio
  • 155001 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/abstract/PRL/v111/i15/e155001 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 111 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] EURATOM, FOM Inst DIFFER, Dutch Inst Fundamental Energy Res, Trilateral Euregio Cluster, NL-3430 BE Nieuwegein, Netherlands [ 2 ] Max Planck Inst Plasma Phys, EURATOM Assoc, D-85748 Garching, Germany [ 3 ] Assoc Euratom ENEA CNR, Ist Fis Plasma P Caldirola, Milan, Italy [ 4 ] CEA, IRFM, F-13108 St Paul Les Durance, France [ 5 ] Ctr Wiskunde & Informat, NL-1090 GB Amsterdam, Netherlands [ 6 ] KTH, EES, Euratom VR Assoc, Stockholm, Sweden [ 7 ] Univ Wisconsin, Madison, WI 53706 USA (literal)
Titolo
  • Nonlinear Stabilization of Tokamak Microturbulence by Fast Ions (literal)
Abstract
  • Nonlinear electromagnetic stabilization by suprathermal pressure gradients found in specific regimes is shown to be a key factor in reducing tokamak microturbulence, augmenting significantly the thermal pressure electromagnetic stabilization. Based on nonlinear gyrokinetic simulations investigating a set of ion heat transport experiments on the JET tokamak, described by Mantica et al. [Phys. Rev. Lett. 107, 135004 (2011)], this result explains the experimentally observed ion heat flux and stiffness reduction. These findings are expected to improve the extrapolation of advanced tokamak scenarios to reactor relevant regimes. (literal)
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