Dynamics of Tearing Modes during Strong Electron Cyclotron Heating on the FTU Tokamak
Physical Review Letters2000Vol. 84(26), pp. 6038–6041
Citations Over TimeTop 13% of 2000 papers
E. Lazzaro, A. Airoldi, A. Bruschi, P Buratti, S. Cirant, R. Coelho, G. Granucci, S. Nowak, G. Ramponi, A. Simonetto, C. Sozzi, O. Tudisco, G. Bracco, F. Crisanti, F. Alladio, B. Angelini, M.L. Apicella, G. Apruzzese, Emanuele Barbato, L. Bertalot, A. Bertocchi, Massimo Borra, G. Buceti, A. Cardinali, S. Cascino, C. Centioli, R. Cesario, S. Ciattaglia, V. Cocilovo, R. De Angelis, B. Esposito, D. Frigione, L. Gabellieri, G. Gatti, E. Giovannozzi, M. Grolli, F. Iannone, H. Kroegler, M. Leigheb, G. Maddaluno, M. Marinucci, G. Mazzitelli, P. Micozzi, G. Monari, P. Orsitto, D. Pacella, L. Panaccione, Massimiliano Panella, V. Pericoli, L. Pieroni, S. Podda, G. Pucella, Giulia Righetti, F. Romanelli, S. Sternini, N. Tartoni, A.A. Tuccillo, V. Vitale, G. Vlad, V. Zanza, M. Zerbini, F. Zonca
Abstract
The localized electron cyclotron resonance heating power that can suppress sawteeth reconnection often drives m = 2 tearing modes in a tokamak operating at constant current. The dynamics of mode onset and coupled mode evolution is described in detail and compared with a nonlinear theoretical model that identifies the effects of mode coupling, finite inertia of the rotating islands, and wall braking.
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