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Feshbach resonances in ultracold 85Rb.

Blackley, Caroline L. and Le Sueur, C. Ruth and Hutson, Jeremy M. and McCarron, Daniel J. and Köppinger, Michael P. and Cho, Hung-Wen and Jenkin, Daniel L. and Cornish, Simon L. (2013) 'Feshbach resonances in ultracold 85Rb.', Physical review A., 87 (3). 033611.

Abstract

We present 17 experimentally confirmed Feshbach resonances in optically trapped 85Rb. Seven of the resonances are in the ground-state channel (f,mf)=(2,+2)+(2,+2) and nine are in the excited-state channel (2,−2)+(2,−2). We find a wide resonance at high field in each of the two channels, offering possibilities for the formation of larger 85Rb condensates and studies of few-body physics. A detailed coupled-channel analysis is presented to characterize the resonances and also provides an understanding of the inelastic losses observed in the excited-state channel. In addition we have confirmed the existence of one narrow resonance in a (2,+2)+(3,+3) spin mixture.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevA.87.033611
Publisher statement:© 2013 American Physical Society
Date accepted:No date available
Date deposited:24 April 2013
Date of first online publication:March 2013
Date first made open access:No date available

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