Journal of Low Temperature Physics

, Volume 25, Issue 1–2, pp 195–217 | Cite as

Superfluid density in the presence of persistent current in superfluid4He

  • H. Kojima
  • W. Veith
  • E. Guyon
  • I. Rudnick


The superfluid density ρ s in the presence of persistent current(v n −v s ≠0) is investigated using the Doppler-shifted fourth-sound technique. In the vortex-free Landau state, ρ s remains constant within our experimental resolution of two parts in 10 5 . This is not inconsistent with a theoretical prediction by Khalatnikov. Where vortices are present outside the Landau region, a fractional change in ρ s becomes as large as 1.2%, depending on rotation velocity and temperature, and shows a relatively complex hysteresis behavior.


Vortex Magnetic Material Theoretical Prediction Rotation Velocity Fractional Change 
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Copyright information

© Plenum Publishing Corporation 1976

Authors and Affiliations

  • H. Kojima
    • 1
    • 2
  • W. Veith
    • 1
    • 3
  • E. Guyon
    • 1
    • 4
  • I. Rudnick
    • 1
  1. 1.Department of PhysicsUniversity of California at Los AngelesLos Angeles
  2. 2.Physics DepartmentRutgers UniversityNew Brunswick
  3. 3.W. V. TechnologyCulver City
  4. 4.Physique des SolidesUniversité Paris SudOrsayFrance

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