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Feshbach resonances in $\mathsf{^{23}}$Na- $\mathsf{^{87}}$Rb |
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| Authors: | M?Bhattacharya L?O?Baksmaty S?B?Weiss |
| Institution: | (1) Dept. of Physics and Astronomy, University of Rochester, Rochester, NY, USA;(2) Laboratory for Laser Energetics, University of Rochester, Rochester, NY, USA;(3) The Institute of Optics, University of Rochester, Rochester, NY, USA |
| Abstract: | We describe s-wave collisions between ultracold 23Na and 87Rb atoms in the presence of a magnetic field. For any collision input channel knowledge of the singlet and triplet intermolecular potentials 1] enables us to predict the variation in scattering lengths as a function of the magnetic field. We employ the Born-Oppenheimer approximation to predict several Feshbach resonances for 23Na87Rb. We also include a discussion of why these resonances are expected to be narrow as observed in the case of 87Rb2.Received: 6 August 2004, Published online: 23 November 2004PACS: 34.90. + q Other topics in atomic collisions - 03.75.Hh Multicomponent condensates |
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