3He-4He mixture in aerogel

Jian Ma; Sangbo Kim; Moses H.W. Chan

doi:10.1016/0921-4526(94)90219-4

³He-⁴He mixture in aerogel

Jian Ma, Sangbo Kim, Moses H.W. Chan

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

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Abstract

Results of recent superfluid fraction measurements of a ³He-⁴He mixture in aerogel are reported. It is observed that for the mixtures at low and intermediate ³He concentrations the critical behavior of the superfluid transition is not different from that of pure ⁴He in aerogel. Evidence of phase separation between ³He and ⁴He inside the aerogel is found at low temperatures. The phase separation region, however, is detached from the superfluid transition line, thus removing the tricritical point and creating a miscible superfluid mixture that is rich in ³He.

Original language	English (US)
Pages (from-to)	249-253
Number of pages	5
Journal	Physica B: Physics of Condensed Matter
Volume	197
Issue number	1-4
DOIs	https://doi.org/10.1016/0921-4526(94)90219-4
State	Published - Mar 1 1994

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/0921-4526(94)90219-4

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title = "3He-4He mixture in aerogel",

abstract = "Results of recent superfluid fraction measurements of a 3He-4He mixture in aerogel are reported. It is observed that for the mixtures at low and intermediate 3He concentrations the critical behavior of the superfluid transition is not different from that of pure 4He in aerogel. Evidence of phase separation between 3He and 4He inside the aerogel is found at low temperatures. The phase separation region, however, is detached from the superfluid transition line, thus removing the tricritical point and creating a miscible superfluid mixture that is rich in 3He.",

author = "Jian Ma and Sangbo Kim and Chan, {Moses H.W.}",

note = "Funding Information: We are very grateful to Dr. L.W. Hrubesh of the Lawrence Livermore National Laboratory for preparing the aerogel sample used in this study. We thank G. Agnolet, P.W. Anderson, J.R. Banavar, M.W. Cole, D.O. Edwards, D.S. Fisher, M.E. Fisher, A. Maritan and H. Meyer for useful conversations. This work is supported by NSF under grants DMR-9008461 and DMR-9311918.",

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doi = "10.1016/0921-4526(94)90219-4",

language = "English (US)",

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T1 - 3He-4He mixture in aerogel

AU - Ma, Jian

AU - Kim, Sangbo

AU - Chan, Moses H.W.

N1 - Funding Information: We are very grateful to Dr. L.W. Hrubesh of the Lawrence Livermore National Laboratory for preparing the aerogel sample used in this study. We thank G. Agnolet, P.W. Anderson, J.R. Banavar, M.W. Cole, D.O. Edwards, D.S. Fisher, M.E. Fisher, A. Maritan and H. Meyer for useful conversations. This work is supported by NSF under grants DMR-9008461 and DMR-9311918.

PY - 1994/3/1

Y1 - 1994/3/1

N2 - Results of recent superfluid fraction measurements of a 3He-4He mixture in aerogel are reported. It is observed that for the mixtures at low and intermediate 3He concentrations the critical behavior of the superfluid transition is not different from that of pure 4He in aerogel. Evidence of phase separation between 3He and 4He inside the aerogel is found at low temperatures. The phase separation region, however, is detached from the superfluid transition line, thus removing the tricritical point and creating a miscible superfluid mixture that is rich in 3He.

AB - Results of recent superfluid fraction measurements of a 3He-4He mixture in aerogel are reported. It is observed that for the mixtures at low and intermediate 3He concentrations the critical behavior of the superfluid transition is not different from that of pure 4He in aerogel. Evidence of phase separation between 3He and 4He inside the aerogel is found at low temperatures. The phase separation region, however, is detached from the superfluid transition line, thus removing the tricritical point and creating a miscible superfluid mixture that is rich in 3He.

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JO - Physica B: Physics of Condensed Matter

JF - Physica B: Physics of Condensed Matter

IS - 1-4

ER -

³He-⁴He mixture in aerogel

Abstract

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