Impact of helium neutral gas puff on plasma turbulence in linear magnetized argon plasmas

T. Kobayashi, F. Kin, Y. Kawachi, M. Sasaki, Y. Kosuga, K. Yamasaki, S. Inagaki

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

In order to explore the impact of the neutrals on the plasma turbulence, a new gas puff system is developed for a linear magnetized plasma column PANTA. Helium gas is injected into the argon plasma without changing the electron density profile. After the helium gas puff, the dominant fluctuation mode changes from the broadband m = 2 drift wave to the coherent m = 1 mode, where m is the azimuthal mode number. Accordingly, the property of the nonlinear coupling with other fluctuating modes changes from broadband couplings to coherent couplings.

本文言語英語
論文番号062309
ジャーナルPhysics of Plasmas
27
6
DOI
出版ステータス出版済み - 6 1 2020
外部発表はい

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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