<RESEARCH REPORT>Tail Anisotropy Instability during Plasma Current Rise by Lower-Hybrid Waves in a Tokamak

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説明

Tail anisotropy instability during lower-hybrid current rise is investigated. Tail formation by lower-hybrid waves is studied by using a Fokker-Planck equation combined with the return field and the rf associated terms. Quasi-linear relaxation of the electron tail distribution under the influence of the plasma waves excited due to the instability is examined. It is found that the instability condition is related to the strength of the parallel diffusion by lower-hybrid waves and the ratio of the electron cyclotron frequency to the electron plasma frequency. The time scale between the instability spikes and the suppression of the instability by electron cyclotron heating are also discussed.

収録刊行物

  • Research report

    Research report 756 1-39, 1986-01

    核融合科学研究所

詳細情報 詳細情報について

  • CRID
    1570572701837435264
  • NII論文ID
    110000012059
  • NII書誌ID
    AA0081640X
  • ISSN
    04694732
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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