Condensed Matter Theory

Andre Eckardt Exploring dynamic localization with a Bose-Einstein condensate

Author(s): Andre Eckardt, Martin Holthaus, Hans Lignier, Alessandro Zenesini, Donatella Ciampini, Oliver Morsch, Ennio Arimondo

Exploring dynamic localization with a Bose-Einstein condensate

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Article: Phys. Rev. A 79, 013611 (2009), The American Physical Society (APS)

Keywords: Dynamic localization, Bose-Einstein condensates, optical lattices,quasienergy band collapse, quasienergy band engineering

PACS: 03.75.Lm, 67.85.Hj, 03.65.Xp

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.

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