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:
Journal Article
Journal or Publication Title:
Physical review letters
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
?? SUPERFLUIDHELIUM-3QUANTUM TURBULENCEPHYSICSPHYSICS AND ASTRONOMY(ALL)QC PHYSICS ??
ID Code:
23579
Deposited By:
Deposited On:
04 Feb 2009 09:22
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Sep 2023 00:11