Unstable universal drift eigenmodes in toroidal plasmas

C. Z. Cheng, Liu Chen

研究成果: Article同行評審

28 引文 斯高帕斯(Scopus)

摘要

The eigenmode equation describing ballooning collisionless drift instabilities is analyzed both analytically and numerically. A new branch of eigenmodes, which corresponds to quasi-bound states due to toroidal coupling effects such as ion ∇B drifts, is shown to be destabilized by electron Landau damping for typical tokamak parameters. This branch cannot be understood by the strong coupling approximation. However, the slab-like (Pearlstein-Berk-type) branch is found to remain stable and experience enhanced shear damping.

原文English
頁(從 - 到)1770-1773
頁數4
期刊Physics of Fluids
23
發行號9
DOIs
出版狀態Published - 1980

All Science Journal Classification (ASJC) codes

  • 計算力學
  • 凝聚態物理學
  • 材料力學
  • 機械工業
  • 流體流動和轉移過程

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