Bradley, D. Ian and Pickett, George R. (2000) Regular vortex production by a moving wire in superfluid He-3-B. In: Topological Defects and the non-equilibrium dynamics of symmetry breaking phase transitions :. NATO ADVANCED SCIENCE INSTITUTES SERIES, SERIES C, MATHEMATICAL AND PHYSICAL SCIENCES, 549 . Springer, Dordrecht, pp. 345-351. ISBN 978-0-7923-6204-3
Full text not available from this repository.Abstract
We report spectacular features on the velocity-force characteristics of a vibrating wire resonator in superfluid He-3-B at ultralow temperatures. We see steps and discontinuities in the characteristics. The steps display two separate critical velocities where firstly some 'event' occurs, causing the wire to lose energy and lose amplitude, followed by a second lower critical velocity where the 'event' decouples. We speculate that these events arise from vortex loop creation at asperities on the vibrating wire.