Some new fourth-sound investigations of finite-size effects in He II using a porous-glass matrix
- 1 May 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 9 (5), 2252-2254
- https://doi.org/10.1103/physreva.9.2252
Abstract
The superfluid fraction of He II in Vycor porous glass has been studied in the range (approximately) 1.6-2.0 K using fourth sound. There is a qualitative difference in the temperature dependence of between this work and that obtained for He II in comparable packed powders.
Keywords
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