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Diffusive relaxation processes in liquid3He-4He mixtures. II. Superfluid phase

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Abstract

Relaxation measurements in superfluid3He-4He mixtures when a heat flux across a horizontal layer is switched on or off provide a quantitative test for the solutions of Khalatnikov's hydrodynamic equations. On the basis of these equations we predict that the relaxation times τ in a layer of heightd can be expressed by a simple scaled relation that is a function of static and transport properties. Relaxation experiments on five mixtures are in good agreement with these predictions. In an appendix we discuss the viscous penetration depth λ p and show that it is small enough for the Khalatnikov expressions to be valid under our experimental conditions.

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Authors and Affiliations

  1. Department of Physics, Wesleyan University, Middletown, Connecticut

    R. P. Behringer

  2. Department of Physics, Duke University, Durham, North Carolina

    H. Meyer

Authors
  1. R. P. Behringer
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  2. H. Meyer
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Additional information

Research supported by grants from the National Science Foundation and the Research Corporation.

Alfred P. Sloan Fellow.

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Behringer, R.P., Meyer, H. Diffusive relaxation processes in liquid3He-4He mixtures. II. Superfluid phase. J Low Temp Phys 46, 435–450 (1982). https://doi.org/10.1007/BF00683909

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  • DOI: https://doi.org/10.1007/BF00683909

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