Superfluid-insulator transition in H4e films adsorbed in Vycor glass

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

doi:10.1103/PhysRevLett.75.1106

Superfluid-insulator transition in H4e films adsorbed in Vycor glass

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

Physics and Astronomy (Twin Cities)

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

62 Scopus citations

Abstract

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 language	English (US)
Pages (from-to)	1106-1109
Number of pages	4
Journal	Physical Review Letters
Volume	75
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.75.1106
State	Published - Jan 1 1995

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10.1103/PhysRevLett.75.1106

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abstract = "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.",

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Superfluid-insulator transition in H4e films adsorbed in Vycor glass

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