Rotating states for trapped bosons in an optical lattice
Other Condensed Matter
2009-11-13 v1 Strongly Correlated Electrons
Abstract
Rotational states for trapped bosons in an optical lattice are studied in the framework of the Hubbard model. Critical frequencies are calculated and the main parameter regimes are identified. Transitions are observed from edge superfluids to vortex lattices with Mott insulating cores, and subsequently to lattices of interstitial vortices. The former transition coincides with the Mott transition. Changes in symmetry of the vortex lattices are observed as a function of lattice depth. Predictions for experimental signatures are presented.
Cite
@article{arxiv.0809.2190,
title = {Rotating states for trapped bosons in an optical lattice},
author = {Emil Lundh},
journal= {arXiv preprint arXiv:0809.2190},
year = {2009}
}
Comments
6 pages, 6 figures, accepted for publication in EPL