Kinetic linear model of the interaction of helical magnetic perturbations with cylindrical plasmas

Ivanov, Ivan B.; Heyn, Martin F.; Kasilov, Sergei V.; Kernbichler, Winfried
February 2011
Physics of Plasmas;Feb2011, Vol. 18 Issue 2, p022501
Academic Journal
The linear kinetic model of the interaction of helical rotating magnetic perturbations (resonant and nonresonant) with a tokamak plasma developed in [M. F. Heyn et al., Nucl. Fusion 46, S159 (2006)] is extended by a Galilean invariant collision operator and a different finite Larmor radius expansion scheme of particle current density. The model is applied to study the plasma screening effect on resonant magnetic perturbations and the resulting torques acting on the plasma at various orders of Larmor radius expansion.


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