New tokamak plasma regime with stationary temperature oscillations.

  title={New tokamak plasma regime with stationary temperature oscillations.},
  author={G. Giruzzi and Frederic Imbeaux and J. L. Segui and Xavier Garbet and G. Huysmans and J. F. Artaud and A. B{\'e}coulet and G. T. Hoang and Xavier Litaudon and P. Maget and B. Saoutic},
  journal={Physical review letters},
  volume={91 13},
During noninductively driven discharges in the Tore Supra tokamak, steady sinusoidal oscillations of the central electron temperature, lasting as long as 2 min, have been observed for the first time. Having no helical structure, they cannot be ascribed to any known MHD instability. The most plausible explanation of this new phenomenon is that the plasma current density and the electron temperature evolve as a nonlinearly coupled predator-prey system. This interpretation is supported by the… CONTINUE READING

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