Metastability in magnetically confined plasmas

B. H. Fong, S. C. Cowley, O. A. Hurricane

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The parameter space of magnetically confined plasmas near marginal instability for interchange-type modes is divided into three regions according to qualitative stability properties. Region I is linearly stable though nonlinearly unstable to large excitations. Region II is linearly unstable, nonlinearly stable to small excitations, and nonlinearly unstable to large excitations. Region III is linearly and nonlinearly unstable. For an equilibrium evolving through marginal stability, region III and therefore explosive instability are inevitably encountered.

Original languageEnglish (US)
Pages (from-to)4651-4654
Number of pages4
JournalPhysical review letters
Issue number23
StatePublished - 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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