138 citations · 1.4k across the 48 of their papers we have counts for
4 papers · 1 filter
Momentum injection in tokamak plasmas and transitions to reduced transport
F. I. Parra, M. Barnes, E. G. Highcock +2
The effect of momentum injection on the temperature gradient in tokamak plasmas is studied. A plausible scenario for transitions to reduced transport regimes is proposed. The trans…
Transport Bifurcation in a Rotating Tokamak Plasma
E. G. Highcock, M. Barnes, A. A. Schekochihin +3
The effect of flow shear on turbulent transport in tokamaks is studied numerically in the experimentally relevant limit of zero magnetic shear. It is found that the plasma is linea…
AstroGK: Astrophysical Gyrokinetics Code
Ryusuke Numata, Gregory G. Howes, Tomoya Tatsuno +2
The gyrokinetic simulation code AstroGK is developed to study fundamental aspects of kinetic plasmas and for applications mainly to astrophysical problems. AstroGK is an Eulerian s…
Gyrokinetic simulation of entropy cascade in two-dimensional electrostatic turbulence
T. Tatsuno, M. Barnes, S. C. Cowley +5
Two-dimensional electrostatic turbulence in magnetized weakly-collisional plasmas exhibits a cascade of entropy in phase space [Phys. Rev. Lett. 103, 015003 (2009)]. At scales smal…