Repetitive single vortex-loop creation by a vibrating wire in superfluid He-3-B

Bradley, DI (2000) Repetitive single vortex-loop creation by a vibrating wire in superfluid He-3-B. Physical review letters, 84 (6). pp. 1252-1255. ISSN 0031-9007

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Abstract

Spectacular features are observed on the velocity-force characteristics of a vibrating wire resonator in superfluid He-3-B at ultralow temperatures. Both plateaus and discontinuities are seen in the characteristics. The plateaus seem to have two separate critical velocities where first some "event" occurs, which causes the wire to lose energy and slow down, followed bpa second lower critical velocity where the event decouples. It is suggested that these events are due to vortex-loop creation at protuberances on the vibrating wire. This opens up the possibility of controlling the creation of vorticity through specially prepared protuberances.

Item Type:
Journal Article
Journal or Publication Title:
Physical review letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100
Subjects:
?? NUCLEATIONHELIUMPHASE-SLIP PHENOMENAROTATING HE-3-BPHYSICS AND ASTRONOMY(ALL) ??
ID Code:
65444
Deposited By:
Deposited On:
27 Jun 2013 15:43
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2023 00:31