Global particle-in-cell simulations of fast-particle effects on shear Alfvén waves

This paper reports self-consistent global linear gyrokinetic particle-in-cell simulations of shear Alfvén waves destabilized by fast particles in tokamak geometry. Resonant excitation of toroidal Alfvén eigenmodes by fast particles and their transition to energetic particle modes (when the fast-part...

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Bibliographic Details
Published in:Physics of plasmas 2009-08, Vol.16 (8)
Main Authors: Mishchenko, Alexey, Könies, Axel, Hatzky, Roman
Format: Article
Language:English
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Summary:This paper reports self-consistent global linear gyrokinetic particle-in-cell simulations of shear Alfvén waves destabilized by fast particles in tokamak geometry. Resonant excitation of toroidal Alfvén eigenmodes by fast particles and their transition to energetic particle modes (when the fast-particle drive is large enough) has been observed in the simulations.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.3207878