NIFS-774

FULL TEXT (PDF, 344 KB)

Author(s):

K. Itoh, S.-I. Itoh, F. Spineanu, M.O. Vlad and M. Kawasaki

Title:

On Transition in Plasma Turbulence with Multiple Scale Lengths

Date of publication:

May 2003

Key words:

plasma turbulence, transition, multiple scale lengths, stochastic equation, adiabatic approximation

Abstract:

A statistical theory of plasma turbulence which is composed of multiple-scale fluctuations is examined. Influences of statistical noise and variance of rapidly-changing variable in an adiabatic approximation are investigated. It is confirmed that the contributions of noise and variance remain higher order corrections. Transition rate of the turbulence with multiple scale lengths is obtained under the refined adiabatic approximation.

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