Resonant five-body recombination in an ultracold gas of bosonic atoms

Year: 2013

Authors: Zenesini A., Huang B., Berninger M., Besler S., Nagerl H.C., Ferlaino F., Grimm R., Greene C.H., Von Stecher J.

Autors Affiliation: Univ Innsbruck, Inst Expt Phys, A-6020 Innsbruck, Austria; Univ Innsbruck, Zentrum Quantenphys, A-6020 Innsbruck, Austria;
Austrian Acad Sci, Inst Quantenopt & Quanteninformat, A-6020 Innsbruck, Austria; Univ Colorado, Dept Phys, Boulder, CO 80309 USA; Univ Colorado, Joint Inst Lab Astrophys, Boulder, CO 80309 USA; Tech X Corp, Boulder, CO 80303 USA

Abstract: We combine theory and experiment to investigate five-body recombination in an ultracold gas of atomic cesium at negative scattering length. A refined theoretical model, in combination with extensive laboratory tunability of the interatomic interactions, enables the five-body resonant recombination rate to be calculated and measured. The position of the new observed recombination feature agrees with a recent theoretical prediction and supports the prediction of a family of universal cluster states at negative a that are tied to an Efimov trimer.

Journal/Review: NEW JOURNAL OF PHYSICS

Volume: 15      Pages from: 043040-1  to: 043040-13

KeyWords: LARGE SCATTERING LENGTH; 4-BODY SYSTEM; BODY SYSTEMS; STATES; UNIVERSALITY; LIMIT
DOI: 10.1088/1367-2630/15/4/043040

Citations: 36
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