Formation of Rydberg macrodimers and their properties

Details Formation of Rydberg macrodimers and their properties Formation of Rydberg macrodimers and their properties

2011-03-29

arxiv.org/abs/1103.5529v1

Physics

Atomic Physics

4 pages, 4 figures

Scientific paper

We investigate the interaction between two rubidium atoms in highly excited Rydberg states, and find that very long-range potential wells exist. These wells are shown to support many bound states. We calculate the properties of the wells and bound levels, and show that their lifetimes are limited by that of the constituent Rydberg atoms. We also show how these $\mu$m-size bound states can be populated {\it via} photoassociation (PA), and how the signature of the ad-mixing of various $\ell$-character producing the potential wells could be probed. We discuss how sharp variations of the PA rate %to macrodimer bound levels could act as a switching mechanism with potential application to quantum information processing.

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