Characterization of bifurcation induced by long distance correlation between heat flux and temperature gradient in toroidal plasmas

Inagaki Shigeru, N. Tamura, K. Ida, K. Tanaka, Y. Nagayama, K. Kawahata, S. Sudo, K. Itoh, Sanae Itoh, A. Komori

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The role of non-locality in transport bifurcation is indicated by experiments in the Large Helical Device. A long distance correlation of the order of the plasma radius between the heat flux and temperature gradient is determined by using cross-correlation analysis. This long distance correlation induces a new transport bifurcation. A bifurcation diagram including the non-locality demonstrates that the non-local temperature rise phenomena can be explained qualitatively by the cusp catastrophe model.

Original languageEnglish
Article number075002
JournalPlasma Physics and Controlled Fusion
Volume52
Issue number7
DOIs
Publication statusPublished - Jun 25 2010

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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