Phase Separation and the Superfluid Transition in Liquid He3-He4 Mixtures

Phys. Rev. Lett. 19, 417 – Published 21 August 1967
E. H. Graf, D. M. Lee, and John D. Reppy


The phase-separation and superfluid-transition temperatures of He3-He4 liquid mixtures have been investigated as functions of He3 concentration under conditions of saturated vapor pressure by means of dielectric-constant and thermal-equilibrium time-constant measurements. The λ line, which divides the normal and superfluid phases in the temperature-concentration plane, is found to intersect the phase-separation curve at its peak.


  • Received 12 June 1967
  • Published in the issue dated 21 August 1967

© 1967 The American Physical Society

Authors & Affiliations

E. H. Graf, D. M. Lee*, and John D. Reppy

  • Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York

  • *Guggenheim Fellow at Brookhaven National Laboratory, Upton, Long Island, New York (on leave from Cornell University).

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