Abstract
An experimental procedure is described for the characterization of the response of very small vibrating wires to liquid3He at temperatures down to 120 µK. The relative scales of the mean free path in the liquid and the radius of the wire play a significant role in the interpretation of the results. It is shown that the same ideas concerning the transition from hydrodynamic to ballistic behavior as the temperature is reduced can be applied both to saturated3He-4He solutions and to superfluid3He-B.
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Guénault, A.M., Keith, V., Kennedy, C.J. et al. The mechanical behavior of a vibrating wire in superfluid3He-B in the ballistic limit. J Low Temp Phys 62, 511–523 (1986). https://doi.org/10.1007/BF00683408
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DOI: https://doi.org/10.1007/BF00683408