Physics of collapse events in toroidal plasmas

S. I. Itoh, K. Itoh, H. Zushi, A. Fukuyama

研究成果: ジャーナルへの寄稿総説査読

55 被引用数 (Scopus)

抄録

A review is made of the crash phenomena in toroidal plasmas. The emphasis is placed on the physics that causes the crash of global plasma parameters. Recent progress in the measurement has provided a unified view of various crash phenomena, i.e. the sudden occurrence of the crash, the sensitivity (or probabilistic dependence) of the occurrence of the crash on the global parameters, and the abrupt excitation of a symmetry-breaking perturbation (magnetic trigger). Essential observations that describe the physics of collapse are surveyed. The theoretical study of the nonlinear plasma dynamics is overviewed. Theories of the onset and explosive growth, which are based on magnetic braiding, are discussed. As an example, a picture based on a turbulence-turbulence transition is explained. A picture based on hysteresis and bifurcation, not on the linear instability criterion, emerging from advanced measurements and recent progress, describes the basic physics of the collapse.

本文言語英語
ページ(範囲)879-929
ページ数51
ジャーナルPlasma Physics and Controlled Fusion
40
6
DOI
出版ステータス出版済み - 12月 1 1998

!!!All Science Journal Classification (ASJC) codes

  • 原子力エネルギーおよび原子力工学
  • 凝縮系物理学

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