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Collisionless drift-wave turbulence is studied with numerical simulations in a three-dimensional sheared slab geometry. Nonlinear electron Landau damping associated with parallel trapping is found to substantially reduce the anomalous particle transport for low magnetic shear, whereas it plays a very weak role for higher shear. This result has implications for the construction of transcollisional Landau-fluid models for passing electrons in the edge of a tokamak.

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Authors: JENKO F, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);SCOTT B D, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Physical Review Letters, Vol. 80 (1998) No. 22, pp. 4883-4886
Record Number: 199811411 / Last updated on: 1998-11-10
Original language: en
Available languages: en
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