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Frankfurt 2006 – scientific programme

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A: Atomphysik

A 9: Poster I: Ultrakalte Atome und BEC

A 9.14: Poster

Tuesday, March 14, 2006, 16:30–18:30, Labsaal

Ultracold Rydberg Atoms in a Structured or Unstructured Environment — •Ivan C. H. Liu and Jan M. Rost — Max-Planck Institute for the Physics of Complex Systems, Nöthnitzer Str. 38, D-01187, Dresden, Germany

We are interested in the traces the Rydberg atoms leave in an ultracold atomic gas. We distinguish the usual disordered gas (unstructured environment) and the ordered case, where Rydberg and ground-state atoms populate an optical lattice (structured environment). In the former case, we determine the optical spectrum and, in the latter, the adiabatic energy levels as a function of the lattice constant [1]. Further more, we will discuss the realizability of the predicted “trilobite” molecules [2], and the signature of such type of interaction in a pressure broadening experiment.

[1] I. C. H. Liu and J. M. Rost, arxiv.org/physics/0512059, (2005).

[2] C. H. Greene et al PRL 85, 2458 (2000).

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