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Long-Range Order in Superfluid Helium

J. W. Kane*

L. P. Kadanoff

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

  • Department of Physics, University of Illinois, Urbana, Illinois

  • *Parts of this paper are based on a thesis submitted to the University of Illinois in partial fulfillment of the requirements of the Ph.D. degree.
  • A. P. Sloan Foundation Fellow.

Phys. Rev. 155, 80 – Published 5 March, 1967

DOI: https://doi.org/10.1103/PhysRev.155.80

Abstract

Fluctuations in the phase of the condensate wave function appearing in the single-particle Green's function for a condensed Bose system are examined in one, two, and three dimensions. The results indicate that at nonzero temperatures, long-range order will appear only in three dimensions.

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  13. Omitted endnote

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