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Adiabatic fountain resonance

  • Liquid Helium
  • Published:
Czechoslovak Journal of Physics Aims and scope

Abstract

We have detected a new type of resonance in superfluid4He. This involves the adiabatic motion of the superfluid in and out of a superleak sealed at one end. We detect the resonance by measuring the temperature oscillations of the superleak. These measurements yield the superfluid fraction of confined helium. We compare data for a 2113Å planar superleak with earlier results obtained using a torsional oscillator technique, and a similar confinement geometry.

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References

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Authors and Affiliations

  1. State University of New York at Buffalo, 14260, Buffalo, N.Y., USA

    F. M. Gasparini, S. Mehta & X. Wang

Authors
  1. F. M. Gasparini
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  2. S. Mehta
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  3. X. Wang
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Additional information

Supported by the NSF: DMR9214010, DMR9623831.

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Gasparini, F.M., Mehta, S. & Wang, X. Adiabatic fountain resonance. Czech J Phys 46 (Suppl 1), 81–82 (1996). https://doi.org/10.1007/BF02569456

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  • DOI: https://doi.org/10.1007/BF02569456

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