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Название: Stochastic Particle acceleration and Statistical Closures
Авторы: Dimits A., Krommes J.
In a recent paper, Maasjost and Elsasser (ME) concluded, from the results of numerical experiments and heuristic arguments, that the Bourret and the direct-interaction approximation (DIA) are "of no use in connection with the stochastic acceleration problem" because (1) their predictions were equivalent to that of the simpler Fokker-Planck (FP) theory, and (2) either all or none of the closures were in good agreement with the data.