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Electron shielding current in neutral beam current drive in general tokamak equilibria and arbitrary collisionality regime

Y. J. Hu (胡友俊), Y. M. Hu (胡业民), and Y.R. Lin-Liu (林留玉仁)

Phys. Plasmas 19, 034505 (2012)

Abstract: A formula based on the solutions to the drift kinetic equation is proposed for modeling the trapped electron correction to the electron shielding current in neutral beam current drive in general tokamak equilibria and arbitrary collisionality regime