Non-Markovian Effects in Turbulent Diffusion in Magnetized Plasmas
Journal Article
·
· AIP Conference Proceedings
- Bogolyubov Institute for Theoretical Physics, Metrolohichna Str. 14-b, 03680 Kiev (Ukraine)
- Chalmers Technical University and Euratom-VR Association, S-41296 Goeteborg (Sweden)
The derivation of the kinetic equations for inhomogeneous plasma in an external magnetic field is presented. The Fokker-Planck-type equations with the non-Markovian kinetic coefficients are proposed. In the time-local limit (small correlation times with respect to the distribution function relaxation time) the relations obtained recover the results known from the appropriate quasilinear theory and the Dupree-Weinstock theory of plasma turbulence. The equations proposed are used to describe zonal flow generation and to estimate the diffusion coefficient for saturated turbulence.
- OSTI ID:
- 21322946
- Journal Information:
- AIP Conference Proceedings, Vol. 1177, Issue 1; Conference: Workshop on from Leonardo to ITER: Nonlinear and coherence aspects, Goeteborg (Sweden), 18-19 May 2009; Other Information: DOI: 10.1063/1.3253966; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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