Stochastic Transition between Turbulent Branch and Thermodynamic Branch of an Inhomogeneous Plasma
Mitsuhiro Kawasaki, Sanae-I. Itoh, Masatoshi Yagi, Kimitaka Itoh
Abstract
Transition phenomena between thermodynamic branch and turbulent branch in submarginal turbulent plasma are analyzed with statistical theory. Time-development of turbulent fluctuation is obtained by numerical simulations of Langevin equation which contains submarginal characteristics. Probability density functions and transition rates between two states are analyzed. Transition from turbulent branch to thermodynamic branch occurs in almost entire region between subcritical bifurcation point and linear stability boundary.
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