Abstract
The present paper addresses the gyrokinetic water-bag model in toroidal geometry. The previous works were focused on the water-bag concept in magnetized cylindrical plasmas. Here we report on the possibility to improve the water-bag model by taking into account the curvature and gradient drifts. After a presentation of the model, a local linear analysis with some approximations is performed. Interchange and ion temperature gradient instabilities are examined with this new gyro-water-bag model in order to show its ability and its theoretical interest in describing kinetic instabilities in toroidal geometry.
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Klein, R., Gravier, E., Chatenet, J.H. et al. The gyrokinetic water-bag modeling in toroidal geometry. Eur. Phys. J. D 62, 413–420 (2011). https://doi.org/10.1140/epjd/e2011-10595-4
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DOI: https://doi.org/10.1140/epjd/e2011-10595-4