Superfluidity in Quantum Field Theory

  • Andreas Schmitt
Part of the Lecture Notes in Physics book series (LNP, volume 888)


The theoretical treatment of superfluid helium used in the previous section was phenomenological in the sense that the microscopic degrees of freedom, the helium atoms, never appeared in our description. We took it as given that there is a gapless excitation, and we modelled its form in terms of phonons and rotons, if you wish because experiments tell us so.


Helium Atom Spontaneous Symmetry Breaking Bose Condensate Goldstone Mode Superfluid Helium 
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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Andreas Schmitt
    • 1
  1. 1.Institut für Theoretische PhysikTechnische Universität WienWienAustria

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