Correlation studies on fast electrons and dynamo-related activities in a reversed-field pinch plasma

Yasuyuki Yagi, Gianluigi Serianni, Hantao Ji, Yoshiki Maejima

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Abstract

Correlation of fast electron current with magnetohydrodynamic activities is studied extensively in the edge of a reversed-field pinch (RFP) plasma in TPE-1RM20 using a complex probe in order to examine the origin of the driving force for fast electrons in RFP plasma. The fast electron current is found to have a statistically meaningful coherence with the v × b dynamo electric field. However, the coherence is small and the fast electron current has finite correlations with the global magnetic modes which rotate toroidally and poloidally. Correlation with the externally applied electric field is also examined and is found to be small. Overall correlation studies are discussed in terms of the possible driving sources of fast electrons. © 1999 Publication Board, Japanese Journal of Applied Physics.
Original languageEnglish
Pages (from-to)4213 - 4225
Number of pages13
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
Volume38
Issue number7 B
Publication statusPublished - 15 Jul 1999
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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