The determination of the q-profile in the plasma core from Alfvén eigenmodes

  • G. J. Kramer
  • , T. Oikawa
  • , T. Fujita
  • , Y. Kamada
  • , Y. Kusama
  • , K. Tobita
  • , T. Ozeki
  • , C. Z. Cheng
  • , R. Nazikian

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The q-profile has been determined inside the q = 1 surface of ion cyclotron resonance frequency (ICRF) heated plasmas from the observed toroidicity induced Alfvén eigenmodes (TAE) that appeared before giant sawtooth crashes. The q-profile deduced from the TAE spectrum is in good agreement with the one obtained from motional Stark effect measurements.

Original languageEnglish (US)
Pages (from-to)863-869
Number of pages7
JournalPlasma Physics and Controlled Fusion
Volume40
Issue number6
DOIs
StatePublished - 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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