Dissipation-Induced Symmetry Breaking in a Driven Optical Lattice

Gommers, R.; Bergamini, S. and Renzoni, F. (2005). Dissipation-Induced Symmetry Breaking in a Driven Optical Lattice. Physical Review Letters, 95(7) 073003.

DOI: https://doi.org/10.1103/PhysRevLett.95.073003

URL: http://link.aps.org/abstract/PRL/v95/e073003

Abstract

We analyze the atomic dynamics in an ac driven periodic optical potential which is symmetric in both time and space. We experimentally demonstrate that in the presence of dissipation the symmetry is broken, and a current of atoms through the optical lattice is generated as a result.

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