Phys. Rev. Lett. 107, 060402 (2011) [5 pages]Rydberg Excitations in Bose-Einstein Condensates in Quasi-One-Dimensional Potentials and Optical LatticesReceived 22 March 2011; published 2 August 2011 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. © 2011 American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.107.060402
DOI:
10.1103/PhysRevLett.107.060402
PACS:
03.65.Xp, 03.75.Lm
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