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Temperature Dependence of S(Q, ω) for Liquid 4He

  • E. C. Svensson
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 79)

Abstract

It was most appropriate to hold this symposium in a year when two very important helium anniversaries were celebrated — the 40th anniversary of LANDAU’S [1] now famous phonon-roton dispersion relation for the elementary excitations in superfluid 4He (see Fig. 1), and the 30th anniversary of the first experimental observation, using neutron scattering techniques, of rotons by PALEVSKY et al. [2]. Their measurements and others [3–6] which quickly followed, all stimulated by the suggestion of COHEN and FEYNMAN [7] that neutron scattering could be used to directly determine the helium dispersion relation, confirmed that the form proposed by Landau was indeed correct.

Keywords

Neutron Scattering Saturated Vapor Pressure Bose Condensate Dynamic Structure Factor Superfluid Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • E. C. Svensson
    • 1
  1. 1.Chalk River Nuclear LaboratoriesAtomic Energy of Canada LimitedChalk RiverCanada

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