Observation of a Remanent Vortex-Line Density in Superfluid Helium
- 2 January 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 52 (1), 49-52
- https://doi.org/10.1103/physrevlett.52.49
Abstract
Sensitive ion-trapping measurements show that superfluid at rest contains a substantial number of quantized vortex lines, metastably pinned between the walls of the container. This remanent line density appears to be history independent, and is established upon going through the lambda point.
Keywords
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