Dynamic interaction between a solitary drift wave structure and zonal flows in a linear cylindrical device

H. Arakawa, T. Kobayashi, S. Inagaki, N. Kasuya, S. Oldenbürger, Y. Nagashima, T. Yamada, M. Yagi, A. Fujisawa, K. Itoh, S. I. Itoh

研究成果: Contribution to journalArticle査読

17 被引用数 (Scopus)

抄録

A solitary drift wave structure and its quasi-periodic change are discovered in a linear magnetized plasma. Detailed investigations show that the periodic changes are accompanied by an emission of splash, that is, a short lifetime event characterized by much higher frequencies than that of the fundamental drift waves. Dynamic interaction between the solitary wave and zonal flows is found to cause the emission of splashes since the splashes occur in a particular phase of zonal flows. The findings should give a deep insight into the dynamics and structural formation of magnetically confined plasmas and rotating planets, which are governed by drift and Rossby waves, respectively.

本文言語英語
論文番号115009
ジャーナルPlasma Physics and Controlled Fusion
53
11
DOI
出版ステータス出版済み - 11 2011

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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