The importance of vortex bundles in quantum turbulence at absolute zero

Baggaley, A.W. (2012) The importance of vortex bundles in quantum turbulence at absolute zero. Physics of Fluids, 24(5), 055109. (doi: 10.1063/1.4719158)

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This study is concerned with the existence of coherent bundles of quantized vortices, and their importance in creating a flow with the classical Kolmogorov scaling and energy cascade. We show that at finite (non-zero) temperatures, in the presence of turbulent normal fluid, quantized vortices are organized into coherent bundles. We also performed a number of simulations at zero temperature and demonstrate that for a Kolmogorov scaling, and hence a hydrodynamical energy cascade, vortices must be organized into coherent bundles. Finally we analyze the polarization of the vortex tangle and find good agreement with theoretical predictions.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Baggaley, Dr Andrew
Authors: Baggaley, A.W.
College/School:College of Science and Engineering > School of Mathematics and Statistics > Mathematics
Journal Name:Physics of Fluids
Journal Abbr.:Phys. fluids
ISSN (Online):1089-7666
Published Online:18 May 2012

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