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Lookup NU author(s): Professor Carlo Barenghi,
Dr David Samuels
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The vortex reconnection rate f plays an important role in the dynamics of a tangle of quantised vortices in superfluid turbulence. The question which we address is how f depends on the vortex line density L. In the case of a homogeneous isotropic tangle of vortices we show that, besides the known regime which scales as f ∼ L5/2, another regime exists which scales as f ∼ L2. In the case of a polarised vortex configuration, we argue that tile scaling law changes and show numerical evidence for it. Finally we construct an idealised model of turbulence decay based on vortex reeonnections and discuss us implications. © 2004 Springer Science+Business Media, Inc.
Author(s): Barenghi CF, Samuels DC
Publication type: Article
Publication status: Published
Journal: Journal of Low Temperature Physics
Print publication date: 01/09/2004
ISSN (print): 0022-2291
ISSN (electronic): 1573-7357
Publisher: Springer Netherlands
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