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Gyrokinetic simulation of collisionless trapped-electron mode turbulence

Phys. Plasmas 12, 072309 (2005); doi:10.1063/1.1947447

Published 7 July 2005

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Tilman Dannert and Frank Jenko
Max-Planck Institut für Plasmaphysik, EURATOM Association, 85748 Garching, Germany
Some basic properties of collisionless, trapped-electron mode turbulence in tokamaks are investigated by means of massively parallel gyrokinetic Vlasov simulations. In particular, the spatial structure and wave number spectra of various fluctuating plasma quantities are presented and discussed. An analysis of several cross phase relations supports the view that the transport-dominating scales may be interpreted in terms of remnants of linear modes. In a few test cases, zonal flows are artificially suppressed, demonstrating that their influence on the transport level is small. Finally, the dependence of the latter on several plasma parameters is studied. ©2005 American Institute of Physics
History: Received 8 April 2005; accepted 12 May 2005; published 7 July 2005
Permalink: http://link.aip.org/link/?PHPAEN/12/072309/1
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KEYWORDS and PACS

Keywords
PACS
  • 52.35.Ra
    Plasma turbulence
  • 52.35.Qz
    Plasma microinstabilities including ion-acoustic, two-stream, loss-cone, beam-plasma, drift, ion- or electron-cyclotron instabilities, etc
  • 52.65.Tt
    Gyrofluid and gyrokinetic plasma simulations
  • 52.65.Ff
    Fokker-Planck and Vlasov equation (plasma simulation)
  • 52.55.Fa
    Tokamaks
  • 52.25.Fi
    Plasma transport properties
  • 52.25.Gj
    Plasma fluctuation and chaos phenomena
  • 52.30.-q
    Plasma dynamics and flow
  • YEAR: 2005

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PUBLICATION DATA

ISSN:
1070-664X (print)   1089-7674 (online)
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