Bifurcated neoclassical particle transport
1998; American Institute of Physics; Volume: 5; Issue: 11 Linguagem: Inglês
10.1063/1.873121
ISSN1527-2419
Autores Tópico(s)Laser-Plasma Interactions and Diagnostics
ResumoThe theory of neoclassical transport in an impure, toroidal plasma is extended to allow for steeper pressure and temperature gradients than are usually considered. It is found that the ion particle flux is a nonmonotonic function of these gradients for plasma parameters typical of the tokamak edge. A sudden transition between states of low and high confinement is therefore possible.
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