Zonal flows in plasma - A review

P. H. Diamond, S. I. Itoh, K. Itoh, T. S. Hahm

Research output: Contribution to journalReview articlepeer-review

1689 Citations (Scopus)


A comprehensive review of zonal flow phenomena in plasmas is presented. While the emphasis is on zonal flows in laboratory plasmas, planetary zonal flows are discussed as well. The review presents the status of theory, numerical simulation and experiments relevant to zonal flows. The emphasis is on developing an integrated understanding of the dynamics of drift wave-zonal flow turbulence by combining detailed studies of the generation of zonal flows by drift waves, the back-interaction of zonal flows on the drift waves, and the various feedback loops by which the system regulates and organizes itself. The implications of zonal flow phenomena for confinement in, and the phenomena of fusion devices are discussed. Special attention is given to the comparison of experiment with theory and to identifying directions for progress in future research.

Original languageEnglish
Pages (from-to)R35-R161
JournalPlasma Physics and Controlled Fusion
Issue number5
Publication statusPublished - May 2005

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics


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