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R. Church, P. Main, J. Owers-Bradley, M. Jones, R. Bowley (1988)
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(1988)
Vibrating superleak transducers in /sup 3/He-/sup 4/He mixtures
In a recent second-sound experiment in a dilute3He-4He mixture, Church et al.11 were able to understand most of their data with the theory by d'Humières, Launay, and Libchaber.8 However, significant discrepancies exist at lower frequencies. We show that diffusive currents across the superleak are responsible for this deviation. What is more, we are able to determine the diffusion coefficientD from the low-frequency data.
Journal of Low Temperature Physics – Springer Journals
Published: Nov 6, 2004
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