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cond-mat.quant-gas2015★ 45 cited
Probing superfluidity of Bose-Einstein condensates via laser stirring
Vijay Pal Singh, Wolf Weimer, Kai Morgener +5
We investigate the superfluid behavior of a Bose-Einstein condensate of Li molecules. In the experiment by Weimer et al., Phys. Rev. Lett. 114, 095301 (2015) a condensate is st…
cond-mat.quant-gas2014★ 97 cited
The critical velocity in the BEC-BCS crossover
Wolf Weimer, Kai Morgener, Vijay Pal Singh +5
We map out the critical velocity in the crossover from Bose-Einstein condensation (BEC) to Bardeen-Cooper-Schrieffer superfluidity with ultracold Li gases. A small attractive…