Superfluid critical behavior in filled4 porous media

G. K.S. Wong, P. A. Crowell, H. A. Cho, J. D. Reppy

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

We have observed sharp cusplike heat-capacity singularities, coincident with the superfluid transition, in two filled4 aerogel glasses. These features are interpreted as conclusive evidence of genuine critical behavior at the superfluid transition in these systems. The cusplike heat-capacity singularities confirm that filled4 aerogels are not in the same universality class as bulk helium.

Original languageEnglish (US)
Pages (from-to)2410-2413
Number of pages4
JournalPhysical review letters
Volume65
Issue number19
DOIs
StatePublished - 1990

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