Reentrant superfluidity in He4 films adsorbed on graphite

P. A. Crowell; J. D. Reppy

doi:10.1103/PhysRevLett.70.3291

Reentrant superfluidity in He4 films adsorbed on graphite

P. A. Crowell, J. D. Reppy

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

We report on torsional oscillator studies of superfluidity in the second and higher layers of He4 films adsorbed on basal plane graphite. Our measurements reveal several novel features. We observe a reentrant superfluid phase in the second layer of adsorbed helium. Superfluidity disappears before the completion of the second layer and reappears early in the third layer. A well-defined plateau in the transition temperature occurs at the beginning of the fourth layer.

Original language	English (US)
Pages (from-to)	3291-3294
Number of pages	4
Journal	Physical Review Letters
Volume	70
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.70.3291
State	Published - Jan 1 1993
Externally published	Yes

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