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    • Thermodynamic behavior of a one-dimensional Bose gas at low temperature 

      Rosi, Giulia de; Astrakharchik, Grigori; Stringari, Sandro (AMER PHYSICAL SOC, 2017-07-11)
      Open Access
      We show that the chemical potential of a one-dimensional (1D) interacting Bose gas exhibits a nonmonotonic temperature dependence which is peculiar of superfluids. The effect is a direct consequence of the phononic nature ...