Nonlinear dynamics of the m=1 instability and fast sawtooth collapse in high-temperature plasmas

Xiaogang Wang, Amitava Bhattacharjee

Research output: Contribution to journalArticlepeer-review

82 Scopus citations

Abstract

A theory is given for the nonlinear dynamical evolution of the m=1 instability, governed by a generalized Ohms law that includes the Hall term. An island equation is derived for the entire nonlinear evolution which includes an almost explosive growth phase followed by a rapid decay phase. The predictions of the theory are compared with recent numerical results and experiments.

Original languageEnglish (US)
Pages (from-to)1627-1630
Number of pages4
JournalPhysical Review Letters
Volume70
Issue number11
DOIs
StatePublished - Jan 1 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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