Theory of First Sound in Dilute Solutions of ${He}^{3}$ in ${He}^{4}$ at Very Low Temperatures

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16 January 1967

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 18 (3) , 71-74
https://doi.org/10.1103/physrevlett.18.71

Abstract

The velocity and attenuation of first sound in dilute solutions of

{He}^{3}

in very low temperature

{He}^{4}

are calculated. The theoretical attenuation agrees well with that measured recently by Abraham, Eckstein, Ketterson, and Vignos.

Keywords

This publication has 5 references indexed in Scilit:

Fermion-Phonon Interaction: The Attenuation of Sound in a Liquid ${He}^{3}$ - ${He}^{4}$ Solution
Physical Review Letters, 1966
Modes of Sound Propagation in Dilute Solutions of ${He}^{3}$ in Liquid ${He}^{4}$
Physical Review Letters, 1966
Effective Long-Wavelength Interaction of ${He}^{3}$ Atoms Dissolved in Superfluid ${He}^{4}$
Physical Review Letters, 1966
Interactions Between ${He}^{3}$ Atoms in Dilute Solutions of ${He}^{3}$ in Superfluid ${He}^{4}$
Physical Review Letters, 1966
Osmotic Pressure of ${He}^{3}$ in Liquid ${He}^{4}$ , with Proposals for a Refrigerator to Work below 1°K
Physical Review B, 1962