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Volume 142, 2009
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Dark state experiments with ultracold, deeply-bound triplet molecules

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Abstract

We examine dark quantum superposition states of weakly bound Rb2 Feshbach molecules and tightly bound triplet Rb2 molecules in the rovibrational ground state, created by subjecting a pure sample of Feshbach molecules in an optical lattice to a bichromatic Raman laser field. We analyze, both experimentally and theoretically, the creation and dynamics of these dark states. Coherent wavepacket oscillations of deeply bound molecules in lattice sites, as previously observed by Lang et al. (Phys. Rev. Lett., 2008, 101, 133005), are suppressed due to laser-induced phase locking of molecular levels. This can be understood as the appearance of a novel multilevel dark state. In addition, the experimental methods developed help to determine important properties of our coupled atom/laser system.

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Publication details

The article was received on 27 Oct 2008, accepted on 15 Jan 2009 and first published on 08 May 2009


Article type: Paper
DOI: 10.1039/B818964A
Citation: Faraday Discuss., 2009,142, 271-282
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    Dark state experiments with ultracold, deeply-bound triplet molecules

    F. Lang, C. Strauss, K. Winkler, T. Takekoshi, R. Grimm and J. Hecker Denschlag, Faraday Discuss., 2009, 142, 271
    DOI: 10.1039/B818964A

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