Subcritical Excitation of Plasma Turbulence

Kimitaka Itoh, Sanae I. Itoh, Masatoshi Yagi, Atsushi Fukuyama

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Theory of current-diffusive interchange mode turbulence in plasmas in the presence of collisional transport is developed. Amplitude of stationary fluctuations is expressed in terms of the double-valued function of the pressure gradient. The backward bifurcation is shown to appear near the linear stability boundary. The subcritical nature of the turbulence is explicitly illustrated. The critical pressure gradient at which the transition from collisional transport to the turbulent one is to occur is predicted. This work provides a prototype of the transport theory for nonlinear-nonequilibrium systems.

Original languageEnglish
Pages (from-to)2749-2752
Number of pages4
Journaljournal of the physical society of japan
Volume65
Issue number9
DOIs
Publication statusPublished - 1996

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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