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Rotating superfluid turbulence

Lookup NU author(s): Professor Carlo Barenghi

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Abstract

Vortex tangles under the effect of rotation were numerically studied for the first time. At velocities higher than the onset of the DG instability, the existence of a new state of superfluid turbulence (polarized turbulence) that is characterized by two statistically steady state properties, the vortex line density and the degree of polarization, was determined. Although the computed range of vortex line densities does not overlap with the much higher values obtained in the experiments, the same qualitative dependence of vortex line density versus counterflow velocity at different rotations was found.


Publication metadata

Author(s): Tsubota M, Araki T, Barenghi CF

Publication type: Article

Publication status: Published

Journal: Physical Review Letters

Year: 2003

Volume: 90

Issue: 20

Pages: 205301/1-205301/4

ISSN (print): 0031-9007

ISSN (electronic): 1079-7114

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevLett.90.205301

DOI: 10.1103/PhysRevLett.90.205301


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