K Mörtlbauer

University of Freiburg, Freiburg, Baden-Württemberg, Germany

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Publications (2)12.12 Total impact

  • Source
    J Deiglmayr · M Repp · A Grochola · K Mörtlbauer · C Glück · O Dulieu · J Lange · R Wester · M Weidemüller ·
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    ABSTRACT: We recently reported the formation of ultracold LiCs molecules in the rovibrational ground state X1Sigma+,v''=0,J''=0 [J. Deiglmayr et al., PRL 101, 133004 (2008)]. Here we discuss details of the experimental setup and present a thorough analysis of the photoassociation step including the photoassociation line shape. We predict the distribution of produced ground state molecules using accurate potential nergy curves combined with an ab-initio dipole transition moment and compare this prediction with experimental ionization spectra. Additionally we improve the value of the dissociation energy for the X1Sigma+ state by high resolution spectroscopy of the vibrational ground state.
    Faraday Discussions 01/2009; 142:335-49; discussion 429-61. DOI:10.1039/B818391K · 4.61 Impact Factor
  • Source
    J Deiglmayr · A Grochola · M Repp · K Mörtlbauer · C Glück · J Lange · O Dulieu · R Wester · M Weidemüller ·
    [Show abstract] [Hide abstract]
    ABSTRACT: Ultracold LiCs molecules in the absolute ground state X1Sigma+, v'' = 0, J'' = 0 are formed via a single photoassociation step starting from laser-cooled atoms. The selective production of v'' = 0, J'' = 2 molecules with a 50-fold higher rate is also demonstrated. The rotational and vibrational state of the ground state molecules is determined in a setup combining depletion spectroscopy with resonant-enhanced multiphoton ionization time-of-flight spectroscopy. Using the determined production rate of up to 5 x 10(3) molecules/s, we describe a simple scheme which can provide large samples of externally and internally cold dipolar molecules.
    Physical Review Letters 10/2008; 101(13):133004. DOI:10.1103/PhysRevLett.101.133004 · 7.51 Impact Factor