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Turbulent Transport Reduction and Randomization of Coherent Fluctuations by Zonal Flows in Toroidal Plasma

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Date

2003

Authors

Shats, Michael
Solomon, W.
Xia, Hua

Journal Title

Journal ISSN

Volume Title

Publisher

American Physical Society

Abstract

The strong reduction in the fluctuation-driven particle flux in the presence of zonal flows was experimentally studied. Zonal flows were shown to change statistical properties of the fluctuations due to the randomization of phases of coherent structures dominating spectra. These observations are qualitatively consistent with the model of the random Doppler shift of the turbulent structures by zonal flows.

Description

Keywords

Keywords: Doppler effect; Electric field effects; Plasma turbulence; Reduction; Statistical methods; Transport properties; Turbulent flow; Coherent fluctuations; Randomization; Toroidal plasma; Turbulent transport reduction; Zonal flows; Plasmas

Citation

URI

http://hdl.handle.net/1885/74348

Collections

ANU Research Publications

Source

Physical Review Letters

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

Restricted until

2037-12-31

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01_Shats_Turbulent_Transport_Reduction_2003.pdf (289.58 KB)

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