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(THP1/07) Electrostatic Turbulence with Finite Parallel Correlation Length and Radial Electric Field Generation

M. Vlad1), F. Spineanu1), J. H. Misguich2), R. Balescu3)
 
1) Association Euratom-NASTI Romania, National Institute of Laser, Plasmas and Radiation Physics, P.O.Box MG-36, Magurele, Bucharest, Romania
2) Association Euratom-C.E.A. sur la Fusion, CEA-Cadarache, France
3) Association Euratom-Etat Belge sur la Fusion, Université Libre de Bruxelles, Bruxelles, Belgium

Abstract.  Particle diffusion in a given electrostatic turbulence with a finite correlation length along the confining magnetic field is studied in the test particle approach. An anomalous diffusion regime of amplified diffusion coefficients is found in the conditions when particle trapping in the structure of the stochastic potential is effective. The auto-generated radial electric field is calculated.

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IAEA 2001