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Phys. Rev. A 79, 013611 (2009) [7 pages]

Exploring dynamic localization with a Bose-Einstein condensate

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André Eckardt1, Martin Holthaus2, Hans Lignier3,4, Alessandro Zenesini3,5, Donatella Ciampini3,5, Oliver Morsch3,4, and Ennio Arimondo3,4,5
1ICFO-Institut de Ciències Fotòniques, E-08860 Castelldefels (Barcelona), Spain
2Institut für Physik, Carl von Ossietzky Universität, D-26111 Oldenburg, Germany
3Dipartimento di Fisica “E. Fermi,” Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy
4CNR-INFM, Largo Pontecorvo 3, 56127 Pisa, Italy
5CNISM UdR Università di Pisa, Largo Pontecorvo 3, 56127 Pisa, Italy

Received 23 September 2008; published 15 January 2009

See accompanying Physics Synopsis

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.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.79.013611
DOI:
10.1103/PhysRevA.79.013611
PACS:
03.75.Lm, 67.85.Hj, 03.65.Xp
 
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