Nonlinear concentration dependence of sound velocity in He3-He4 solutions

B. M. Abraham*, Y. Eckstein, J. B. Ketterson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


We present measurements of the change in the velocity of sound in liquid He4 on the addition of small quantities of He3 for three compositions and three frequencies. It is shown that the change is not strictly linear in He3 concentration and that the nonlinearity may be explained to a large extent if corrections to the He3 effective mass, which arise from the many-body interactions, are included.

Original languageEnglish (US)
Pages (from-to)422-424
Number of pages3
JournalPhysical review letters
Issue number7
StatePublished - 1968

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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