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Abstract Trace impurity transport is studied with the flux-driven gyrokinetic GYSELA code [V. Grandgirard et al., emphComp. Phys. Commun. bf 207, 35 (2016)]. A reduced and linearized multi-species collision operator has been recently implemented, so …

We show that a class of near-marginal and low-collisional magnetised plasmas naturally evolve into a globally organised state dubbed the ‘ ##IMG## [http://ej.iop.org/images/0029-5515/57/6/066026/nfaa6873ieqn003.gif] $퐄times 퐁$ staircase’. A key …