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

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number070701
JournalPhysics of Plasmas
Volume18
Issue number7
DOIs
Publication statusPublished - Jul 2011

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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