Drift-Wave Instability Excited by Field-Aligned Ion Flow Velocity Shear in the Absence of Electron Current

T. Kaneko, H. Tsunoyama, R. Hatakeyama

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The drift wave is observed to be destabilized by a magnetic-field-aligned ion flow velocity shear in the absence of field-aligned electron drift flow in laboratory experiments using a concentrically three-segmented plasma source. The fluctuation amplitude increases with increasing a shear strength, but the instability is found to be gradually stabilized when the shear strength exceeds a critical value. The destabilizing and stabilizing mechanisms are well explained by a plasma kinetic theory including the effect of radial density gradient.

本文言語English
ページ数1
ジャーナルPhysical Review Letters
90
12
DOI
出版ステータスPublished - 2003 1 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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