Edge localized mode activity as a limit cycle in tokamak plasmas

Sanae I. Itoh, Kimitaka Itoh, Atsushi Fukuyama, Yukitoshi Miura

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128 Citations (Scopus)

Abstract

A model of edge localized modes in tokamak plasmas is presented. A limit-cycle solution is found in the transport equation (time-dependent Ginzburg-Landau type), which has a hysteresis curve for the gradient versus the flux. A periodic oscillation of the particle outflux and an L-H intermediate state are predicted near the L-H transition boundary. A mesophase in spatial structure appears near the edge.

Original languageEnglish
Pages (from-to)2485-2488
Number of pages4
JournalPhysical review letters
Volume67
Issue number18
DOIs
Publication statusPublished - 1991

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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