Superfluid-insulator transition in H4e films adsorbed in Vycor glass

P. A. Crowell, F. W. Van Keuls, J. D. Reppy

Research output: Contribution to journalArticlepeer-review

65 Scopus citations


We have measured the heat capacity of 4He films adsorbed in Vycor glass for temperatures down to 10 mK and coverages close to the critical coverage for the onset of superfluidity at T=0. The data show that the critical coverage corresponds to a mobility edge in the chemical potential, below which the 4He film is an insulator with a gap. We find no evidence for the existence of a gapless Bose glass phase.

Original languageEnglish (US)
Pages (from-to)1106-1109
Number of pages4
JournalPhysical review letters
Issue number6
StatePublished - 1995


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