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.

URL:	http://link.aps.org/abstract/PRL/v95/e073003
DOI (Digital Object Identifier) Link:	http://dx.doi.org/doi:10.1103/PhysRevLett.95.073003
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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.

Item Type:	Journal Article
ISSN:	1079-7114
Keywords:	thermalrectification; transport; diffusion; systems; motion; atoms ratchets; brownian motors; fluctuations
Academic Unit/Department:	Science > Physical Sciences
Interdisciplinary Research Centre:	Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID:	6793
Depositing User:	Silvia Bergamini
Date Deposited:	13 Feb 2007
Last Modified:	02 Dec 2010 19:57
URI:	http://oro.open.ac.uk/id/eprint/6793

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