Positive Ions in Liquid Helium II. The Critical Velocity for Creation of Vortex Rings
- 23 December 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 21 (26), 1738-1740
- https://doi.org/10.1103/physrevlett.21.1738
Abstract
In this paper we report the results of experiments from which we have obtained the value of the critical velocity for quantized-vortex-ring creation by positive ions in liquid helium II. We have investigated the temperature range between 1.0 and 1.5°K. The critical velocity depends on temperature above 1.1°K.Keywords
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