Matter X waves
Atomic Physics
2009-11-10 v1 Optics
Abstract
We predict that an ultra-cold Bose gas in an optical lattice can give rise to a new form of condensation, namely matter X waves. These are non-spreading 3D wave-packets which reflect the symmetry of the Laplacian with a negative effective mass along the lattice direction, and are allowed to exist in the absence of any trapping potential even in the limit of non-interacting atoms. This result has also strong implications for optical propagation in periodic structures
Cite
@article{arxiv.physics/0308051,
title = {Matter X waves},
author = {Claudio Conti and Stefano Trillo},
journal= {arXiv preprint arXiv:physics/0308051},
year = {2009}
}
Comments
5 pages, 2 figures