Frequency Dependence of Superfluid Onset in ThinFilms
- 21 July 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (3) , 171-174
- https://doi.org/10.1103/physrevlett.35.171
Abstract
Superfluid onset has been measured at several frequencies by a quartz microbalance method. We find that onset occurs earlier (i.e., at smaller thickness and/or higher temperature) when measured at higher frequencies. The results are in agreement with a prediction based upon surface heterogeneity and superfluid connectivity.Keywords
This publication has 8 references indexed in Scilit:
- Heterogeneous surfaces and superfluid onsetPhysical Review B, 1975
- Third Sound and the Healing Length of He II in Films as Thin as 2.1 Atomic LayersPhysical Review Letters, 1974
- Superfluid Onset, Frequency Response, and ConnectivityPhysical Review A, 1973
- Quartz Microbalance Studies of an Adsorbed Helium FilmPhysical Review Letters, 1972
- Third-sound resonance and thermal resistance in unsaturated helium filmsJournal of Low Temperature Physics, 1970
- Third sound and the superfluid parameters of thin helium filmsJournal of Low Temperature Physics, 1970
- Intrinsic Critical Velocity of a SuperfluidPhysical Review Letters, 1967
- Hydrodynamics of a Superfluid CondensateJournal of Mathematical Physics, 1963