Evolution of superfluid vortex line density behind a heat (second-sound) pulse in helium II
- 3 July 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 63 (1) , 39-42
- https://doi.org/10.1103/physrevlett.63.39
Abstract
A new probe for superfluid vortex line density with a response time of 400 μs and a spatial resolution of 1 mm was developed and used to investigate the growth and decay of superfluid vortex lines during the passage of a heat pulse. The evolution process turns out to be in accordance with existing theories.Keywords
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