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Decay of superfluid turbulence via Kelvin-wave radiation

Lookup NU author(s): Dr David Samuels, Professor Carlo Barenghi

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Abstract

A study was conducted on the basic processes involved in the decay of quantized vorticity by numerical simulation of vortex ring collisions. As such, the results gave a numerical value for the decay constant that was consistent with preliminary experimental measurements on superfluid helium and atomic condensates in the limit of low temperature. In addition, it was shown that under conditions where vortex reconnections were important a much faster sound-burst dominated decay may be observed.

Publication metadata

Author(s): Leadbeater M, Samuels DC, Barenghi CF, Adams CS

Publication type: Article

Publication status: Published

Journal: Physical Review A

Year: 2003

Volume: 67

Issue: 1

ISSN (print): 1050-2947

ISSN (electronic): 1094-1622

Publisher: American Physical Society

URL: http://dx.doi.org/ 10.1103/PhysRevA.67.015601

DOI: 10.1103/PhysRevA.67.015601

Notes: Article no. 015601 4 pages

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