Heavy Particle Modes and Signature of the I-Regime
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Author(s)
Coppi, Bruno
Zhou, Tingtao
Date Issued
June 2011
Journal
Physics Letters A
Publisher
Elsevier
Citation
Coppi, B., and T. Zhou. “Heavy Particle Modes and Signature of the I-Regime.” Physics Letters A 375, no. 32 (July 2011): 2916–2920.
Version
Author's final manuscript
Abstract
The recently discovered properties of the I-confinement Regime are explained as resulting from the excitation of a heavy particle mode. The theoretically predicted mode phase velocity in the direction of the electron diamagnetic velocity and the induced confinement of impurities at the edge of the plasma column have been confirmed by the experiments. The direction of the mode phase velocity is consistent with that (opposite) of the spontaneous rotation in the plasma core. The mode is of the “ion-mixing” type, in that it does not produce any electron transport across the fields and it involves significant poloidal magnetic field fluctuations.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Creative Commons Attribution-NonCommercial-NoDerivs License
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DOI of Published Version
https://doi.org/10.1016/j.physleta.2011.06.018
