Finite pressure effects on reversed shear Alfvén eigenmodes

G. J. Kramer, N. N. Gorelenkov, R. Naziklan, C. Z. Cheng

研究成果: Article同行評審

40 引文 斯高帕斯(Scopus)


The inclusion of finite pressure in ideal magnetohydrodynamic theory can explain the reversed magnetic shear Alfvén eigenmodes (RSAE) (or Alfvén cascades) that have been observed in several large tokamaks without the need to invoke an energetic particle mechanism for the existence of these modes. The chirping of the RSAE is caused by changes in the minimum of the magnetic safety factor, qmin, while finite pressure effects explain the observed non-zero minimum frequency of the RSAE when qmin has a rational value. Finite pressure effects also play a dominant role in the existence of the downward chirping RSAE branch.

頁(從 - 到)L23-L29
期刊Plasma Physics and Controlled Fusion
出版狀態Published - 2004 十一月

All Science Journal Classification (ASJC) codes

  • 核能與工程
  • 凝聚態物理學


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