Time evolution of power spectrum density in spontaneous transition in cylindrical magnetized plasma

Tatsuya Kobayashi, Shigeru Inagaki, Stella Oldenbürger, Katsuyuki Kawashima, Noriko Ohyama, Yuuki Tobimatsu, Hiroyuki Arakawa, Makoto Sasaki, Yoshihiko Nagashima, Takuma Yamada, Satoru Sugita, Masatoshi Yagi, Naohiro Kasuya, Akihide Fujisawa, Sanae I. Itoh, Kimitaka Itoh

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

Preliminary observation results are reported for a new discharge regime in the Plasma Assembly for Nonlinear Turbulent Analysis (PANTA), where spontaneous transitions in the equilibrium profile and fluctuation spectra occur. Two different states are defined by using the mean density value. Axial and radial profiles are observed for the two states, and large profile changes are found. The spatiotemporal evolution of the transition front is measured. Changes in the fluctuation spectrum are evaluated using conditional average and lock-in average.

本文言語英語
論文番号2401054
ジャーナルPlasma and Fusion Research
7
SPL.ISS.1
DOI
出版ステータス出版済み - 2012

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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