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Feshbach resonances in ultracold 85Rb
Caroline L. Blackley, C. Ruth Le Sueur, Jeremy M. Hutson +5
We present 17 experimentally confirmed Feshbach resonances in optically trapped 85Rb. Seven of the resonances are in the ground-state channel (f,m_f) = (2,+2)+(2,+2), and nine are…
Equilibrium solutions of immiscible two-species Bose-Einstein condensates in perturbed harmonic traps
R. W. Pattinson, T. P. Billam, S. A. Gardiner +5
We investigate the mean--field equilibrium solutions for a two--species immiscible Bose--Einstein condensate confined by a harmonic confinement with additional linear perturbations…
Feshbach spectroscopy of an ultracold mixture of Rb and Cs
Hung-Wen Cho, Daniel J. McCarron, Michael P. Koppinger +7
We report the observation of interspecies Feshbach resonances in an optically trapped mixture of Rb and Cs. We measure 14 interspecies features in the lowest spin ch…