Collisionality scaling of the electron heat flux in ETG turbulence

In electrostatic simulations of MAST plasma at electron-gyroradius scales, using the local flux-tube gyrokinetic code GS2 with adiabatic ions, we find that the long-time saturated electron heat flux (the level most relevant to energy transport) decreases as the electron collisionality decreases. At...

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Bibliographic Details
Main Authors: Colyer, G, Schekochihin, A, Parra, F, Roach, C, Barnes, M, Ghim, Y, Dorland, W
Format: Journal article
Published: IOP Publishing 2017