Two-body transients in coupled atomic-molecular bose-einstein condensates |
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Authors: | Naidon Pascal Tiesinga Eite Julienne Paul S |
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Affiliation: | Atomic Physics Division, National Institute of Standards and Technology, 100 Bureau Drive Stop 8423, Gaithersburg, MD 20899-8423, USA. |
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Abstract: | We discuss the dynamics of an atomic Bose-Einstein condensate when pairs of atoms are converted into molecules by single-color photoassociation. Three main regimes are found, and it is shown that they can be understood on the basis of time-dependent two-body theory. In particular, the so-called rogue dissociation regime [Phys. Rev. Lett. 88, 090403 (2002)10.1103/PhysRevLett.88.090403], which has a density-dependent limit on the photoassociation rate, is identified with a transient regime of the two-atom dynamics exhibiting universal properties. Finally, we illustrate how these regimes could be explored by photoassociating condensates of alkaline-earth atoms. |
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