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

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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
Pages (from-to)863-869
Number of pages7
JournalPlasma Physics and Controlled Fusion
Volume40
Issue number6
DOIs
Publication statusPublished - 1998 Dec 1

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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    Kramer, G. J., Oikawa, T., Fujita, T., Kamada, Y., Kusama, Y., Tobita, K., Ozeki, T., Cheng, C. Z., & Nazikian, R. (1998). The determination of the q-profile in the plasma core from Alfvén eigenmodes. Plasma Physics and Controlled Fusion, 40(6), 863-869. https://doi.org/10.1088/0741-3335/40/6/001