Journal of Low Temperature Physics

, Volume 21, Issue 1–2, pp 191–196

Instability of vortex lines in the presence of axial normal fluid flow

  • R. M. Ostermeier
  • W. I. Glaberson


We show that a normal mode analysis of the complete Hall two-fluid equations in rotating He II yields a critical velocity for axial normal fluid flow which is identical to the critical velocity derived in an earlier paper from the superfluid equation alone. We also present a simplified derivation of the critical velocity based on consideration of the forces acting on an isolated vortex line. The analysis is extended to3He-4He solutions and it is shown that rather small impurity concentrations can greatly increase the critical heat current in axial thermal counterflow.


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Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • R. M. Ostermeier
    • 1
  • W. I. Glaberson
    • 1
  1. 1.Department of PhysicsRutgers UniversityNew Brunswick

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