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Journal Article

Colloquium: Atomic quantum gases in periodically driven optical lattices


Eckardt,  Andre
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Eckardt, A. (2017). Colloquium: Atomic quantum gases in periodically driven optical lattices. Reviews of Modern Physics, 89(1): 011004. doi:10.1103/RevModPhys.89.011004.

Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-A382-D
Time-periodic forcing in the form of coherent radiation is a standard tool for the coherent manipulation of small quantum systems like single atoms. In the last years, periodic driving has more and more also been considered as a means for the coherent control of many-body systems. In particular, experiments with ultracold quantum gases in optical lattices subjected to periodic driving in the lower kilohertz regime have attracted much attention. Milestones include the observation of dynamic localization, the dynamic control of the quantum phase transition between a bosonic superfluid and a Mott insulator, as well as the dynamic creation of strong artificial magnetic fields and topological band structures. This Colloquium reviews these recent experiments and their theoretical description. Moreover, fundamental properties of periodically driven many-body systems are discussed within the framework of Floquet theory, including heating, relaxation dynamics, anomalous topological edge states, and the response to slow parameter variations.