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Giant Feshbach resonances in Li6-Rb85 mixtures

B. Deh, W. Gunton, B. G. Klappauf, Z. Li, M. Semczuk, J. Van Dongen, and K. W. Madison
Phys. Rev. A 82, 020701(R) – Published 10 August 2010

Abstract

We report on the observation of six large Feshbach resonances in a Fermi-Bose mixture of Li6 and Rb85 atoms. Near the resonances, both the elastic and inelastic collision rates are enhanced, and this results primarily in the loss of Li6 from an optical dipole trap since it is less massive and less confined than its Rb85 collision partner. We interpret our experimental data using a coupled-channels calculation which fully characterizes the ground-state scattering properties in any combination of spin states.

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  • Received 30 June 2010

DOI:https://doi.org/10.1103/PhysRevA.82.020701

©2010 American Physical Society

Authors & Affiliations

B. Deh, W. Gunton, B. G. Klappauf, Z. Li, M. Semczuk, J. Van Dongen, and K. W. Madison

  • Department of Physics and Astronomy, University of British Columbia, Vancouver, V6T 1Z1 Canada

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Issue

Vol. 82, Iss. 2 — August 2010

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