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Critical behavior of the thermal conductance of He3-He4 mixture films at the kosterlitz-thouless transition

Physical Review Letters, ISSN: 0031-9007, Vol: 57, Issue: 7, Page: 843-846
1986
  • 14
    Citations
  • 0
    Usage
  • 2
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    14
    • Citation Indexes
      14
  • Captures
    2

Article Description

We report measurements of the convective conductance of He3-He4 films near the superfluid transition. This thermal response is tested for the critical behavior observed in pure He4 films. We find that this is preserved for mixtures. The parameters b and Da2, however, show a strong renormalization, and an unusual He3 dependence. The conductance at fixed T-Tc decreases upon addition of He3 implying a decrease of the 2D correlation length. We observe a decrease in the maximum value of conductance which we attribute to a residual free-vortex density, even for T

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