Scientific Results

Rydberg Excitations in Bose-Einstein Condensates in Quasi-One-Dimensional Potentials and Optical Lattices

Year: 2011

Authors: Viteau M., Bason M.G., Radogostowicz J., Malossi N., Ciampini D., Morsch O., Arimondo E.

Autors Affiliation: INO-CNR, Largo Pontecorvo 3, 56127 Pisa, Italy; Dipartimento di Fisica \”E. Fermi\”, Universit√† di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy; CNISM UdR, Dipartimento di Fisica \”E. Fermi\”, Universit√† di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy

Abstract: We experimentally realize Rydberg excitations in Bose-Einstein condensates of rubidium atoms loaded into quasi-one-dimensional traps and in optical lattices. Our results for condensates expanded to different sizes in the one-dimensional trap agree well with the intuitive picture of a chain of Rydberg excitations. We also find that the Rydberg excitations in the optical lattice do not destroy the phase coherence of the condensate, and our results in that system agree with the picture of localized collective Rydberg excitations including nearest-neighbor blockade.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 107 (6)      Pages from: 060402  to: 060402

More Information: Financial support by the E.U.-STREP \”NAMEQUAM,\” the MIUR PRIN-2007 Project, and a CNISM \”Progetto Innesco 2007\” is gratefully acknowledged. We thank I. Lesanovsky, T. Pohl, P. Pillet, D. Comparat, and G. Morigi for stimulating discussions, S. Rolston and R. Fazio for a thorough reading of the manuscript, and P. Huillery for assistance.
DOI: 10.1103/PhysRevLett.107.060402

Citations: 112
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