Phase separation in the bosonic Hubbard model with ring exchange
Strongly Correlated Electrons
2009-11-10 v1
Abstract
We show that soft core bosons in two dimensions with a ring exchange term exhibit a tendency for phase separation. This observation suggests that the thermodynamic stability of normal bose liquid phases driven by ring exchange should be carefully examined.
Cite
@article{arxiv.cond-mat/0312018,
title = {Phase separation in the bosonic Hubbard model with ring exchange},
author = {V. Rousseau and G. G. Batrouni and R. T. Scalettar},
journal= {arXiv preprint arXiv:cond-mat/0312018},
year = {2009}
}
Comments
4 pages, 6 figures