Nonlinear concentration dependence of sound velocity in He3-He4 solutions

B. M. Abraham; Y. Eckstein; J. B. Ketterson

doi:10.1103/PhysRevLett.21.422

Nonlinear concentration dependence of sound velocity in He3-He4 solutions

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

^*Corresponding author for this work

Physics and Astronomy

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

19 Scopus citations

Abstract

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 language	English (US)
Pages (from-to)	422-424
Number of pages	3
Journal	Physical review letters
Volume	21
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.21.422
State	Published - 1968

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.21.422

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@article{5565ea433e0e4fd7a068c954bd706263,

title = "Nonlinear concentration dependence of sound velocity in He3-He4 solutions",

abstract = "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.",

author = "Abraham, {B. M.} and Y. Eckstein and Ketterson, {J. B.}",

year = "1968",

doi = "10.1103/PhysRevLett.21.422",

language = "English (US)",

volume = "21",

pages = "422--424",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "7",

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TY - JOUR

T1 - Nonlinear concentration dependence of sound velocity in He3-He4 solutions

AU - Abraham, B. M.

AU - Eckstein, Y.

AU - Ketterson, J. B.

PY - 1968

Y1 - 1968

N2 - 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.

AB - 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.

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U2 - 10.1103/PhysRevLett.21.422

DO - 10.1103/PhysRevLett.21.422

M3 - Article

AN - SCOPUS:22744440035

SN - 0031-9007

VL - 21

SP - 422

EP - 424

JO - Physical review letters

JF - Physical review letters

IS - 7

ER -

Nonlinear concentration dependence of sound velocity in He3-He4 solutions

Abstract

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