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Generation and detection of quantum turbulence in Superfluid He-3-B.

Fisher, Shaun N. and Hale, A. J. and Guénault, A.M. and Pickett, George R. (2001) Generation and detection of quantum turbulence in Superfluid He-3-B. Physical Review Letters, 86 (2). pp. 244-247. ISSN 1079-7114

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Abstract

We describe the first direct observations of turbulence in super-fluid He-3-B. The turbulence is generated by a vibrating-wire resonator driven at velocities exceeding the pair-breaking critical velocity. It is detected by the resulting decrease in the thermal damping on a neighboring "detector" vibrating-wire resonator. The superfluid flow field associated with the turbulence Andreev reflects thermal quasiparticle excitations, effectively screening the detector wire, resulting in a decrease in the thermal damping.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Uncontrolled Keywords: superfluid ; helium-3 ; quantum turbulence
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 23579
Deposited By: Dr Richard P. Haley
Deposited On: 04 Feb 2009 09:22
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 20:27
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/23579

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