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Kelvin waves cascade in superfluid turbulence

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

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Abstract

The interactions of four initial superfluid vortex rings were studied theoretically in the absence of dissipation or friction. A cascade of Kelvin waves was observed. These waves were generated by individual vortex reconnection events which transfers energy to higher wave numbers k. The energy spectrum scales and the curvature spectrum occured after vortex reconnections.

Publication metadata

Author(s): Kivotides D, Vassilicos JC, Samuels DC, Barenghi CF

Publication type: Article

Publication status: Published

Journal: Physical Review Letters

Year: 2001

Volume: 86

Issue: 14

Pages: 3080-3083

ISSN (print): 0031-9007

ISSN (electronic): 1079-7114

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevLett.86.3080

DOI: 10.1103/PhysRevLett.86.3080

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