Contribution of kinetic electrons to GAM damping

C. Ehrlacher (1) , Xavier Garbet (1) , V. Grandgirard (1) , Y. Sarazin (1) , P. Peter Donnel (1) , E Caschera (1) , P Ghendrih (1) , D. Zarzoso (2)

1 IRFM - Institut de Recherche sur la Fusion par confinement Magnétique
2 PIIM - Physique des interactions ioniques et moléculaires

This paper presents a calculation of the contribution of electrons to GAM damping. It appears that this contribution is usually not negligible due to a resonance between barely trapped/passing electrons bounce/transit frequency and the mode pulsation.

Domaines: Physique des plasmas [physics.plasm-ph]

C. Ehrlacher, Xavier Garbet, V. Grandgirard, Y. Sarazin, P. Peter Donnel, et al.. Contribution of kinetic electrons to GAM damping. 2018. ⟨hal-01859756⟩