Observation of spatiotemporal structures of temperature fluctuations by using of a statistical phase detection method in a linear magnetized plasma

Yuichi Kawachi, Shigeru Inagaki, Fumiyoshi Kin, Kotaro Yamasaki, Yusuke Kosuga, Makoto Sasaki, Yoshihiko Nagashima, Takuma Yamada, Hiroyuki Arakawa, Naohiro Kasuya, Chanho Moon, Kazunobu Hasamada, Akihide Fujisawa

研究成果: Contribution to journalArticle査読

抄録

In this paper, we evaluated electron temperature fluctuations by using a conditional sampling and a statistical phase detection method. These methods allow us to reconstruct probe I-V characteristics at each time delay; that is, we can extract electron temperature and ion saturation current fluctuations in high temporal resolution without complex electronic circuits. Our method was applied to two quasi-coherent fluctuations observed in a linear magnetized plasma device, PANTA. We observed spatiotemporal structures of electron temperature and ion saturation current fluctuations. The results revealed the amplitudes and phase relation between electron temperature and density fluctuations.

本文言語英語
論文番号055011
ジャーナルPlasma Physics and Controlled Fusion
62
5
DOI
出版ステータス出版済み - 5 2020

All Science Journal Classification (ASJC) codes

  • 原子力エネルギーおよび原子力工学
  • 凝縮系物理学

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