NIFS-006

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Author(s):

Y. Nomura, T. Kamimura and Y. H. Ichikawa

Title:

Stochastic Properties of the Plasma Wave Heating Map

Date of publication:

Feb. 1990

Key words:

stochastic ion heating, lower hybrid wave, area preserving 2D map, characteristic function, renormalized diffusion coefficient, higher order correlation, accelerator mode

Abstract:

Diffusion coeffiecient for stochastic ion motion in a lower hybrid wave is devived analytically by use of the characteristic function method. The renormalization calculation is carried out successfuly to account for effects of the higher order correlation. Numerical observation of the diffusion process coefficient described correctly the stochastic properies of the systems even in the region of the small stochastic parpmeter, except where the accelerator modes manifest their influence upon the chaotic orbits.

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