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20 January 2025

» arxiv » cond-mat/0701136

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Vortex density spectrum of quantum turbulence
Philippe-Emmanuel P.-E. Roche ; Pantxo Diribarne ; Thomas Didelot ; Olivier Français ; Lionel Rousseau ; Hervé Willaime ;
Date:	8 Jan 2007
Subject:	Other
Abstract:	The fluctuations of the vortex density in a turbulent quantum fluid are deduced from local second-sound attenuation measurements. These measurements are performed with a micromachined open-cavity resonator inserted across a flow of turbulent He-II near 1.6 K. The power spectrum of the measured vortex line density is compatible with a (-5/3) power law. The physical interpretation, still open, is discussed.
Source:	arXiv, cond-mat/0701136
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