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-Institut de Ciències Fotòniques, E-08860 Castelldefels (Barcelona), Spain;
Institut für Physik, Carl von Ossietzky Universität, D-26111 Oldenburg, Germany;
Dipartimento di Fisica “E. Fermi,” Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy;
CNR-INFM, Largo Pontecorvo 3, 56127 Pisa, Italy;
CNISM UdR Università di Pisa, Largo Pontecorvo 3, 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.


Volume: 79 (1)      Pages from: 013611  to: 013611

More Information: A. E. is grateful to M. Lewenstein for kind hospitality at ICFO-Institut de Ciencies Fotoniques, and acknowledges a Feodor Lynen research grant from the Alexander von Humboldt Foundation. Financial support by the E. U.-STREP \”OLAQUI\” and by a CNISM \”Progetto Innesco 2007\” for the experimental part of this work is also gratefully acknowledged. We thank J. Radogostowicz, C. Sias, and Y. Singh for assistance.
KeyWords: Bose-Einstein condensation; optical lattices;
DOI: 10.1103/PhysRevA.79.013611

Citations: 167
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