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Knudsen effect in gas of impuritons of3 He−4 He superfluid mixtures

  • Liquid Helium
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Czechoslovak Journal of Physics Aims and scope

Abstract

Knudsen effect in the gas of impurity excitations (impuritons) of3 He− 4 He superfluid mixtures was studied by theory with account of the interaction between quasiparticles and deviation of those dispersion law from quadratic one. The conditions under which the Knudsen effect in typical experimental device can be observed are discussed. Such a device consists of two vessels filled with superfluid mixtures at different temperatures and concentrations and connected by the set of narrow capillaries. Using the solution of kinetic equations the relations between temperatures and concentrations were found at stationary conditions. The influence of geometry and size of capillaries on Knudsen effect are investigated.

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Authors and Affiliations

  1. Kharkov State University, 310077, Kharkov, Ukraine

    Igor N. Adamenko, Alexander I. Chervanyov & Konstantin E. Nemchenko

Authors
  1. Igor N. Adamenko
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  2. Alexander I. Chervanyov
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  3. Konstantin E. Nemchenko
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Adamenko, I.N., Chervanyov, A.I. & Nemchenko, K.E. Knudsen effect in gas of impuritons of3 He−4 He superfluid mixtures. Czech J Phys 46 (Suppl 1), 93–94 (1996). https://doi.org/10.1007/BF02569462

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  • DOI: https://doi.org/10.1007/BF02569462

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