Liquid-vapor critical point of He4 in aerogel

Apollo P.Y. Wong; M. H.W. Chan

doi:10.1103/PhysRevLett.65.2567

Liquid-vapor critical point of He4 in aerogel

Apollo P.Y. Wong, M. H.W. Chan

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Abstract

Thermodynamic studies of the liquid-vapor transition of He4 confined in silica aerogel with a porosity of 95% is reported. In spite of the random nature of the pores, sharp heat-capacity signatures are seen. The positions of the sharp peaks are used to map out the liquid-vapor coexistence boundary, which is describable by a power law with an exponent =0.280.05.

Original language	English (US)
Pages (from-to)	2567-2570
Number of pages	4
Journal	Physical review letters
Volume	65
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.65.2567
State	Published - 1990

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.65.2567

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title = "Liquid-vapor critical point of He4 in aerogel",

abstract = "Thermodynamic studies of the liquid-vapor transition of He4 confined in silica aerogel with a porosity of 95% is reported. In spite of the random nature of the pores, sharp heat-capacity signatures are seen. The positions of the sharp peaks are used to map out the liquid-vapor coexistence boundary, which is describable by a power law with an exponent =0.280.05.",

author = "Wong, {Apollo P.Y.} and Chan, {M. H.W.}",

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AB - Thermodynamic studies of the liquid-vapor transition of He4 confined in silica aerogel with a porosity of 95% is reported. In spite of the random nature of the pores, sharp heat-capacity signatures are seen. The positions of the sharp peaks are used to map out the liquid-vapor coexistence boundary, which is describable by a power law with an exponent =0.280.05.

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Liquid-vapor critical point of He4 in aerogel

Abstract

All Science Journal Classification (ASJC) codes

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