Vortex nucleation in superfluid 4He

  • J. Steinhauer
  • , K. Schwab
  • , Yury Mukharsky
  • , J. C. Davis
  • , Richard E. Packard

Research output: Contribution to journalArticlepeer-review

Abstract

We have determined the features of a universal energy barrier which mediates the thermal nucleation of quantized vortices. The barrier is deduced from measurements of the intrinsic phase slip critical velocity using both dc flow and single phase slip experiments. It appears that at a given temperature a single curve can predict the outcome of all intrinsic vortex nucleation experiments for flow through small apertures.

Original languageEnglish
Pages (from-to)5056-5059
Number of pages4
JournalPhysical Review Letters
Volume74
Issue number25
DOIs
Publication statusPublished - 1995
Externally publishedYes

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