Depression of the superfluid transition temperature in He4 by a heat current

Robert V. Duncan, Guenter Ahlers, Victor Steinberg

Research output: Contribution to journalArticle

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Abstract

We report experimental results for the depression of the superfluid transition temperature T(Q) in He4 by a heat current Q. The data were obtained by use of thermometry with a resolution of 10 nK, and cover the range 0.4Q10 W/cm2. They can be represented by 1T(Q)/T(0)=(Q/Q0)x with Q0=568±200 W/cm2 and x=0.813±0.012, and are in good agreement with theoretical predictions.

Original languageEnglish
Pages (from-to)1522-1525
Number of pages4
JournalPhysical Review Letters
Volume60
Issue number15
DOIs
StatePublished - 1988

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