Probing internal transport barriers with heat pulses in JET

P. Mantica; D. Vaneester; X. Garbet; F. Imbeaux; L. Laborde; M. Mantsinen; A. Marinoni; D. Mazon; D. Moreau; N. Hawkes; E. Joffrin; V. Kiptily; S. Pinches; A. Salmi; S. Sharapov; A. Thyagaraja; I. Voitsekhovitch; P. Devries; K. D. Zastrow

doi:10.1103/PhysRevLett.96.095002

Probing internal transport barriers with heat pulses in JET

P. Mantica
, D. Vaneester
, X. Garbet
, F. Imbeaux
, L. Laborde
, M. Mantsinen
, A. Marinoni
, D. Mazon
, D. Moreau
, N. Hawkes
, E. Joffrin
, V. Kiptily
, S. Pinches
, A. Salmi
, S. Sharapov
, A. Thyagaraja
, I. Voitsekhovitch
, P. Devries
, K. D. Zastrow

Laboratory for Plasma Physics

Associazione EURATOM-ENEA sulla Fusione
Commissariat à l'Énergie Atomique (CEA)
Aalto University
Politecnico di Milano
Ecole Polytechnique Federale de Lausanne
Culham Centre for Fusion Energy
Max-Planck-Institut für Plasmaphysik

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

37 Citations (Scopus)

Résumé

The first electron temperature modulation experiments in plasmas characterized by strong and long-lasting electron and ion internal transport barriers (ITB) have been performed in JET using ion cyclotron resonance heating in mode conversion scheme. The ITB is shown to be a well localized narrow layer with low heat diffusivity, characterized by subcritical transport and loss of stiffness. In addition, results from cold pulse propagation experiments suggest a second order transition process for ITB formation.

langue originale	Anglais
Numéro d'article	095002
journal	Physical Review Letters
Volume	96
Numéro de publication	9
Les DOIs	https://doi.org/10.1103/PhysRevLett.96.095002
état	Publié - 2006

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10.1103/PhysRevLett.96.095002

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Mantica, P., Vaneester, D., Garbet, X., Imbeaux, F., Laborde, L., Mantsinen, M., Marinoni, A., Mazon, D., Moreau, D., Hawkes, N., Joffrin, E., Kiptily, V., Pinches, S., Salmi, A., Sharapov, S., Thyagaraja, A., Voitsekhovitch, I., Devries, P., & Zastrow, K. D. (2006). Probing internal transport barriers with heat pulses in JET. Physical Review Letters, 96(9), Article 095002. https://doi.org/10.1103/PhysRevLett.96.095002

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abstract = "The first electron temperature modulation experiments in plasmas characterized by strong and long-lasting electron and ion internal transport barriers (ITB) have been performed in JET using ion cyclotron resonance heating in mode conversion scheme. The ITB is shown to be a well localized narrow layer with low heat diffusivity, characterized by subcritical transport and loss of stiffness. In addition, results from cold pulse propagation experiments suggest a second order transition process for ITB formation.",

author = "P. Mantica and D. Vaneester and X. Garbet and F. Imbeaux and L. Laborde and M. Mantsinen and A. Marinoni and D. Mazon and D. Moreau and N. Hawkes and E. Joffrin and V. Kiptily and S. Pinches and A. Salmi and S. Sharapov and A. Thyagaraja and I. Voitsekhovitch and P. Devries and Zastrow, \{K. D.\}",

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Mantica, P, Vaneester, D, Garbet, X, Imbeaux, F, Laborde, L, Mantsinen, M, Marinoni, A, Mazon, D, Moreau, D, Hawkes, N, Joffrin, E, Kiptily, V, Pinches, S, Salmi, A, Sharapov, S, Thyagaraja, A, Voitsekhovitch, I, Devries, P & Zastrow, KD 2006, 'Probing internal transport barriers with heat pulses in JET', Physical Review Letters, VOL. 96, Numéro 9, 095002. https://doi.org/10.1103/PhysRevLett.96.095002

TY - JOUR

T1 - Probing internal transport barriers with heat pulses in JET

AU - Mantica, P.

AU - Vaneester, D.

AU - Garbet, X.

AU - Imbeaux, F.

AU - Laborde, L.

AU - Mantsinen, M.

AU - Marinoni, A.

AU - Mazon, D.

AU - Moreau, D.

AU - Hawkes, N.

AU - Joffrin, E.

AU - Kiptily, V.

AU - Pinches, S.

AU - Salmi, A.

AU - Sharapov, S.

AU - Thyagaraja, A.

AU - Voitsekhovitch, I.

AU - Devries, P.

AU - Zastrow, K. D.

PY - 2006

Y1 - 2006

N2 - The first electron temperature modulation experiments in plasmas characterized by strong and long-lasting electron and ion internal transport barriers (ITB) have been performed in JET using ion cyclotron resonance heating in mode conversion scheme. The ITB is shown to be a well localized narrow layer with low heat diffusivity, characterized by subcritical transport and loss of stiffness. In addition, results from cold pulse propagation experiments suggest a second order transition process for ITB formation.

AB - The first electron temperature modulation experiments in plasmas characterized by strong and long-lasting electron and ion internal transport barriers (ITB) have been performed in JET using ion cyclotron resonance heating in mode conversion scheme. The ITB is shown to be a well localized narrow layer with low heat diffusivity, characterized by subcritical transport and loss of stiffness. In addition, results from cold pulse propagation experiments suggest a second order transition process for ITB formation.

UR - https://www.scopus.com/pages/publications/33644762848

U2 - 10.1103/PhysRevLett.96.095002

DO - 10.1103/PhysRevLett.96.095002

M3 - Article

AN - SCOPUS:33644762848

SN - 0031-9007

VL - 96

JO - Physical Review Letters

JF - Physical Review Letters

IS - 9

M1 - 095002

ER -

Probing internal transport barriers with heat pulses in JET

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