Feshbach resonances in ultracold 85Rb

Blackley, Caroline L.; Le Sueur, C. Ruth; Hutson, Jeremy M.; McCarron, Daniel J.; Köppinger, Michael P.; Cho, Hung-Wen; Jenkin, Daniel L.; Cornish, Simon L.

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.

Citation

Blackley, C. L., Le Sueur, C. R., Hutson, J. M., McCarron, D. J., Köppinger, M. P., Cho, H.-W., Jenkin, D. L., & Cornish, S. L. (2013). Feshbach resonances in ultracold 85Rb. Physical Review A - Atomic, Molecular, and Optical Physics, 87(3), https://doi.org/10.1103/physreva.87.033611

• Journal Article Type: Article
• Publication Date: Mar 7, 2013
• Deposit Date: Apr 9, 2013
• Publicly Available Date: Apr 24, 2013
• Journal: Physical Review A
• Print ISSN: 1050-2947
• Electronic ISSN: 1094-1622
• Publisher: American Physical Society
• Peer Reviewed: Peer Reviewed
• Volume: 87
• Issue: 3
• DOI: https://doi.org/10.1103/physreva.87.033611
• Public URL: https://durham-repository.worktribe.com/output/1478753
• Publisher URL: http://link.aps.org/doi/10.1103/PhysRevA.87.033611