Geodesic Acoustic Eigenmodes

• ITOH Kimitaka

  National Institute for Fusion Science

• ITOH Sanae-I.

  Research Institute for Applied Mechanics, Kyushu University

• DIAMOND Patrick H.

  Department of Physics, University of California San Diego

• FUJISAWA Akihide

  National Institute for Fusion Science

• YAGI Masatoshi

  Research Institute for Applied Mechanics, Kyushu University

• WATARI Tetsuo

  National Institute for Fusion Science

• NAGASHIMA Yoshihiko

  Research Institute for Applied Mechanics, Kyushu University

• FUKUYAMA Atsushi

  Department of Nuclear Engineering, Kyoto University

Abstract

The eigenmode of a geodesic acoustic mode in the presence of a temperature gradient is discussed. Eigenmodes are obtained and the characteristic wavelength scales as ρ_i^2/3L_T^1/3 (ρ_i: ion gyroradius, L_T: temperature gradient scale length). The direction of propagation is discussed.

Journal

• Plasma and Fusion Research

  Plasma and Fusion Research 1 037-037, 2006

  The Japan Society of Plasma Science and Nuclear Fusion Research

Keywords

• geodesic acoustic mode
• zonal flow
• eigenmode
• eigenfrequency
• temperature gradient

Details

• CRID: 1390282680229895040
• NII Article ID: 130002058819
• DOI: 10.1585/pfr.1.037
• ISSN: 18806821
• HANDLE: 10655/2249
• Web Site: https://nifs-repository.repo.nii.ac.jp/records/319
• Web Site: http://www.jstage.jst.go.jp/article/pfr/1/0/1_0_037/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • IRDB
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed