Dynamic interaction between fluctuations with different origins in a linear magnetized plasma

Y. Kawachi, Inagaki Shigeru, Makoto Sasaki, Y. Kosuga, K. Yamasaki, T. Kobayashi, F. Kin, Takuma Yamada, H. Arakawa, Yoshihiko Nagashima, Chanho Moon, N. Kasuya, A. Fujisawa

研究成果: Contribution to journalArticle査読

抄録

This paper presents the experimental identification of the dynamic interaction between three fluctuations excited by different thermodynamical forces in a linear plasma. The observed fluctuations are characterized as an axial symmetric mode, a drift wave, and an azimuthally symmetric potential fluctuation from the spatiotemporal structures measured with Langmuir probe arrays. The intermittent burst of the axial symmetric mode is observed by the instantaneous wave number spectrum. The energy transfer analysis revealed that the axially symmetric mode gains energy from the other mode during the burst while the drift wave loses energy. The intermittent burst synchronizes with the azimuthal symmetric potential fluctuation.

本文言語英語
論文番号112302
ジャーナルPhysics of Plasmas
28
11
DOI
出版ステータス出版済み - 11 1 2021

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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