152 citations · 261 across the 5 of their papers we have counts for
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quant-ph2012★ 21 cited
A Multi-path Interferometer with Ultracold Atoms Trapped in an Optical Lattice
J. Chwedenczuk, F. Piazza, A. Smerzi
We study an ultra-cold gas of bosons trapped in a one dimensional -site optical lattice perturbed by a spatially dependent potential , where the unknown coupling…
cond-mat.quant-gas2012★ 43 cited
Critical velocity for a toroidal Bose-Einstein condensate flowing through a barrier
Francesco Piazza, Lee A. Collins, Augusto Smerzi
We consider the setup employed in a recent experiment (Ramanathan et al 2011 Phys. Rev. Lett. 106 130401) devoted to the study of the instability of the superfluid flow of a toroid…