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- Title
A 1D Quasilinear Equation Describing the Current Drive Excitation by Helicons in a Tokamak Plasma.
- Authors
Popov, A. Yu.; Gusakov, E. Z.
- Abstract
A quasilinear equation which allows describing evolution of the electron distribution function and generation of non-inductive currents by helicons is obtained. It is shown that in the analyzed case the Fokker–Planck equation can be approximated by a one-dimensional equation in the longitudinal electron velocity space with a diffusion coefficient proportional to the helicon power absorbed by electrons due to Landau damping.
- Subjects
TOKAMAKS; LANDAU damping; DISTRIBUTION (Probability theory); FOKKER-Planck equation; DIFFUSION coefficients; ELECTRON diffusion
- Publication
Technical Physics Letters, 2023, Vol 49, pS101
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785023900480