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Cold quantum gases: coherent quantum phenomena from Bose-Einstein condensation to BCS pairing of fermions
Gordon Baym
Studies of trapped quantum gases of bosons and of fermions have opened up a new range of many-body problems, having a strong overlap with nuclear and neutron star physics. Topics d…
Rapidly rotating Bose condensates
Gordon Baym
How does a rapidly rotating condensed Bose gas carry extreme amounts of angular momentum? The energetically favored state of a not-too-rapidly rotating Bose condensed gas is, as ob…
Detection of BCS pairing in neutral Fermi fluids via Stokes scattering: the Hebel Slichter effect
G. M. Bruun, Gordon Baym
We consider the effects of superfluidity on the light scattering properties of a two component gas of fermionic atoms. It is demonstrated that the scattered intensity of the Stoke/…
Vortex lattice stability and phase coherence in three-dimensional rapidly rotating Bose condensates
S. Andrew Gifford, Gordon Baym
We establish the general equations of motion for the modes of a vortex lattice in a rapidly rotating Bose-Einstein condensate in three dimensions, taking into account the elastic e…
Landau levels and the Thomas-Fermi structure of rapidly rotating Bose-Einstein condensates
Gentaro Watanabe, Gordon Baym, C. J. Pethick
We show that, within mean-field theory, the density profile of a rapidly rotating harmonically trapped Bose-Einstein condensate is of the Thomas-Fermi form as long as the number of…