Non-Gaussian properties of global momentum and particle fluxes in a cylindrical laboratory plasma

Yoshihiko Nagashima, Sanae I. Itoh, Shigeru Inagaki, Hiroyuki Arakawa, Naohiro Kasuya, Akihide Fujisawa, Kunihiro Kamataki, Takuma Yamada, Shunjiro Shinohara, Stella Oldenbürger, Masatoshi Yagi, Yuichi Takase, Patrick H. Diamond, Kimitaka Itoh

研究成果: Contribution to journalArticle

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Non-Gaussian statistical properties of the azimuthally averaged momentum and particle fluxes driven by turbulence have been simultaneously observed in inhomogeneous magnetized plasmas for the first time. We identified the stretched Gaussian distribution of the both fluxes and the transition from the point-wise distribution to averaged ones was confirmed. The change of the particle flux precedes that of the momentum flux, demonstrating that the momentum flux is induced by the relaxation of density gradient.

元の言語英語
記事番号070701
ジャーナルPhysics of Plasmas
18
発行部数7
DOI
出版物ステータス出版済み - 7 2011

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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