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Dresden 2011 – scientific programme

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A: Fachverband Atomphysik

A 26: Poster III

A 26.77: Poster

Thursday, March 17, 2011, 16:00–18:30, P2

Prospects for photoassociation of ultracold alkali-strontium compoundsRomain Guérout2, Mireille Aymar1, and •Olivier Dulieu11Laboratoire Aimé Cotton, CNRS/Université Paris-Sud, Orsay, France — 2Laboratoire Kastler-Brossel, CNRS/Université Pierre et Marie Curie, Paris, France

In this work, we investigate the previously unknown electronic structure and properties of ionic and neutral diatomic molecules which could be formed from cold Strontium ions or atoms and ultracold alkali atoms A (A=Li, Na, K, Rb, Cs). The ionic (A-Sr+) and neutral (A-Sr)species are modeled as effective two- and three-valence electron systems respectively, in the field of polarizable ionic cores Sr+ and A+ represented by effective core potentials. Potential curves, permanent and transition dipole moments are computed from a standard quantum chemistry approach with Full Configuration Interaction. Possible paths for charge exchange processes and for photoassociation are presented in the perspective of upcoming experiments.

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