Controllable diffusion of cold atoms in a harmonically driven and tilted optical lattice: Decoherence by spontaneous emission
Statistical Mechanics
2009-09-29 v3 Other Condensed Matter
Optics
Abstract
We have studied some transport properties of cold atoms in an accelerated optical lattice in the presence of decohering effects due to spontaneous emission. One new feature added is the effect of an external AC drive. As a result we obtain a tunable diffusion coefficient and it's nonlinear enhancement with increasing drive amplitude. We report an interesting maximum diffusion condition.
Keywords
Cite
@article{arxiv.cond-mat/0612261,
title = {Controllable diffusion of cold atoms in a harmonically driven and tilted optical lattice: Decoherence by spontaneous emission},
author = {Navinder Singh},
journal= {arXiv preprint arXiv:cond-mat/0612261},
year = {2009}
}
Comments
16 pages, 7 figures, revised version