Thermal expansion of liquid 4He between 0.1 and 0.7 K

P. R. Roach*, J. B. Ketterson, B. M. Abraham, M. Kuchnir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We have determined the thermal expansion of liquid 4He from 0.1 to 0.7 K by comparing the temperature dependence of the constant-density and the constant-pressure sound velocities. The agreement with the theoretical phonon contribution is very good.

Original languageEnglish (US)
Pages (from-to)251-252
Number of pages2
JournalPhysics Letters A
Volume39
Issue number3
DOIs
StatePublished - May 8 1972

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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