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

62 被引用数 (Scopus)

抄録

The excitation of the drift-wave instability by the ion flow velocity shear in the absence of the electron drift flow was experimentally demonstrated. The fluctuation amplitude was observed to increase with increasing the shear strength, but the instability was found to be gradually stabilized when the shear strength exceeds the critical value. The experimental results are in good agreement with the dependence of the theoretical growth rate on the shear parameter, which is calculated in the kinetic treatment including the effect of the radial density gradient.

本文言語English
論文番号125001
ページ(範囲)125001/1-125001/4
ジャーナルPhysical review letters
90
12
出版ステータスPublished - 2003 3月 28

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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