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Bulletin of the American Physical Society

Photoassociation of $^{85}$Rb Atoms in $0_{u}^{+}$ States Near the 5S+5P Atomic Limits

T. H. Bergeman, Yiyan Huang, Hyewon Pechkis, Jianbing Qi, Dajun Wang, P. L. Gould, Edward E. Eyler, William C. Stwalley, Robert A. Cline, Joseph D. Miller, Daniel J. Heinzen

Published May 18, 2006• 0 citations
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Photoassociation of 85^{85}85Rb Atoms in 0u+0_{u}^{+}0u+​ States Near the 5S+5P Atomic Limits
Electromagnetically Induced Transparency in the 5S1/2_{1/2}1/2​-5P3/2_{3/2}3/2​-4D5/2_{5/2}5/2​ Transition of Cold 87^{87}87Rb Atoms
Numerical calculations of photoassociation of cold 85^{85}85Rb2_{2}2​ molecules to the 1_{g}(5P_{1/2})$ State
Numerical calculations of vibrational levels of alkali dimers close to the dissociation limit are developed in the framework of a Fourier Grid Hamiltonian method. The aim is to interpret photoassociation experiments in cold atom samples. In order to avoid the implementation of very large grids we propose a mapping procedure adapted to the asymptotic R−n behavior of the long-range potentials. On a single electronic potential, this allows us to determine vibrational wave functions extending up to 500a0 using a minimal number of grid points. Calculations with two electronic states, A 1Σu+ and b 3Πu states, both correlated to the Rb(5s)+Rb(5p) dissociation limit, coupled by fine structure are presented. We predict strong perturbation effects in the Rb2(0u+) spectrum, manifested under the 5s, 5p 2P1/2 dissociation limit by an oscillatory behavior of the rotational constants.