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Turbulent generation of poloidal asymmetries of the electric potential in a tokamak

Poloidal asymmetries of the E × B plasma flow are known to play a role in neoclassical transport. One obvious reason is that an asymmetrical potential can produce a flux across the magnetic field. Also the associated distribution function may …

Impact of poloidal convective cells on momentum flux in tokamaks

Radial fluxes of parallel momentum due to ##IMG## [http://ej.iop.org/images/1367-2630/19/1/015011/njpaa5772ieqn1.gif] $Etimes B$ and magnetic drifts are shown to be correlated in tokamak plasmas. This correlation comes from the onset of poloidal …