Scientific Results

Exploring dynamic localization with a Bose-Einstein condensate

Year: 2009

Authors: Eckardt A., Holthaus M., Lignier H., Zenesini A., Ciampini D., Morsch O., Arimondo E.

Autors Affiliation: ICFO, E-08860 Barcelona, Spain; Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany; Univ Pisa, Dipartimento Fis E Fermi, I-56127 Pisa, Italy; CNR, INFM, I-56127 Pisa, Italy; Univ Pisa, CNISM UdR, I-56127 Pisa, Italy

Abstract: We report on the experimental observation of dynamic localization of a Bose-Einstein condensate in a shaken optical lattice, both for sinusoidal and square-wave forcing. The formulation of this effect in terms of a quasienergy band collapse, backed by the excellent agreement of the observed collapse points with the theoretical predictions, suggests the feasibility of systematic quasienergy band engineering.

Journal/Review: PHYSICAL REVIEW A

Volume: 79 (1)      Pages from: 013633-1  to: 013633-7

KeyWords: Bose-Einstein condensation; optical lattices
DOI: 10.1103/PhysRevA.79.013611

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