3He effect on flow dissipation of superfluid 4He through a microaperture

G.G. Ihas, O. Avenel, R. Aarts, E. Varoquaux

Research output: Contribution to journalConference articleAcademicpeer-review

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The effect (below 0.1K) of3He ppb impurities on the critical flow of4He through a micro-aperture has been studied for T<0.05K to investigate vortex creation at a wall. The width of the phase slip probability is found to be reduced at low temperature by 30%, implying that the3He modifies the tunneling barrier to the vortex state.
Original languageEnglish
Pages (from-to)583-584
JournalPhysica B: Physics of Condensed Matter
Issue number1
Publication statusPublished - 2 Feb 1994
Externally publishedYes
Event20th International Conference on Low Temperature Physics, LT-20 1993 - Eugene, United States
Duration: 4 Aug 199311 Aug 1993
Conference number: 20


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