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Experimental evidence of self-regulation of fluctuations by time-varying flows

Shats, Michael; Solomon, W


We report the first extended experimental results indicating that radially localized time-varying potential structures, which possess many of the characteristics of zonal flows, are generated by strong fluctuations. Experiments performed in the H-1 heliac show that these poloidally symmetric flows are nonlinearly coupled to other fluctuations and are responsible for significant modifications in fluctuations and in the fluctuation-driven transport.

CollectionsANU Research Publications
Date published: 2002-01-08
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.88.045001


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