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physics.atom-ph2012★ 20 cited
S-Wave Collisional Frequency Shift of a Fermion Clock
Eric L. Hazlett, Yi Zhang, Ronald W. Stites +2
We report an s-wave collisional frequency shift of an atomic clock based on fermions. In contrast to bosons, the fermion clock shift is insensitive to the population difference of…
cond-mat.quant-gas2012★ 16 cited
The nonlinear Dirac equation: Preparation and stability of relativistic vortices in Bose-Einstein condensates
L. H. Haddad, K. M. O'Hara, Lincoln D. Carr
We propose a detailed experimental procedure for preparing relativistic vortices, governed by the nonlinear Dirac equation, in a two-dimensional Bose-Einstein condensate (BEC) in a…