The onset of superfluidity in4He films adsorbed in aerogel glass

P. A. Crowell, M. Y. Lanzerotti, J. D. Reppy

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We have completed a systematic study of the superfluid density of4He films adsorbed in 91% porosity aerogel glass. We have concentrated on the low-coverage regime (Tc<200 mK) in an attempt to address recent theoretical work on the onset of superfluidity in dirty boson systems. Our data are not in agreement with the predictions of a scaling theory of the onset transition developed by Fisher et al.1 We discuss the extent of this disagreement and the limitations of other models of the onset transition.

Original languageEnglish (US)
Pages (from-to)629-632
Number of pages4
JournalJournal of Low Temperature Physics
Volume89
Issue number3-4
DOIs
StatePublished - Nov 1992

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