Commensurability effects for fermionic atoms trapped in 1D optical lattices
Strongly Correlated Electrons
2009-11-13 v1
Abstract
Fermionic atoms in two different hyperfine states confined in optical lattices show strong commensurability effects due to the interplay between the atomic density wave (ADW) ordering and the lattice potential. We show that spatially separated regions of commensurable and incommensurable phases can coexist. The commensurability between the harmonic trap and the lattice sites can be used to control the amplitude of the atomic density waves in the central region of the trap.
Cite
@article{arxiv.0707.3209,
title = {Commensurability effects for fermionic atoms trapped in 1D optical lattices},
author = {Rafael A. Molina and Jorge Dukelsky and Peter Schmitteckert},
journal= {arXiv preprint arXiv:0707.3209},
year = {2009}
}
Comments
Accepted for publication in Physical Review Letters