Misc,

Continuous Formation of Vibronic Ground State RbCs Molecules via Photoassociation

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(2013)cite arxiv:1308.2613Comment: 15 pages, 7 figures.
DOI: 10.1088/1367-2630/16/2/023018

Abstract

We demonstrate the direct formation of vibronic ground state RbCs molecules by photoassociation of ultracold atoms followed by radiative stabilization. The photoassociation proceeds through deeply-bound levels of the (2)^3\Pi_0^+ state. From analysis of the relevant free-to-bound and bound-to-bound Franck-Condon factors, we have predicted and experimentally verified a set of photoassociation resonances that lead to efficient creation of molecules in the v=0 vibrational level of the X^1\Sigma^+ electronic ground state. We also compare the observed and calculated laser intensity required to saturate the photoassociation rate. We discuss the prospects for using short-range photoassociation to create and accumulate samples of ultracold polar molecules in their rovibronic ground state.

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