Helium Flow Through an Orifice in the Presence of an AC Sound Field

  • D. Musinski
  • D. H. Douglass


We report here an attempt to observe the ac Josephson effect in liquid helium. Previous investigators1–5 have reported positive observation of the effect by monitoring the level difference between two baths separated by a small orifice. Our experiment was designed so that a temperature difference could be introduced and measured as well.


Level Difference Helium Flow Josephson Effect Chemical Potential Difference Small Orifice 
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Copyright information

© Springer Science+Business Media New York 1974

Authors and Affiliations

  • D. Musinski
    • 1
  • D. H. Douglass
    • 1
  1. 1.Department of Physics and AstronomyUniversity of RochesterRochesterUSA

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