作者: J. R. Beamish , A. Hikata , L. Tell , C. Elbaum
DOI: 10.1103/PHYSREVLETT.50.425
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摘要: The onset of solidification $^{4}\mathrm{He}$ in porous Vycor is identified from changes transverse sound velocity. From observed overpressures required to initiate freezing (ranging 18 bars at 1.3 K 30.7 2.38 K), the interfacial energy between liquid and solid was estimated. superfluid transition up 35.5 also observed.