Universality of the one dimensional Bose gas with delta interaction

Details Universality of the one dimensional Bose gas with delta interaction Universality of the one dimensional Bose gas with delta interaction

2004-05-07

arxiv.org/abs/cond-mat/0405155v3

Annals of Physics, vol. 314/2 pp. 496 (2004)

Physics

Condensed Matter

Statistical Mechanics

6 pages, no figures; minor changes; refs. added

Scientific paper

10.1016/j.aop.2004.08.001

We consider several models of interacting bosons in a one dimensional
lattice. Some of them are not integrable like the Bose-Hubbard others are
integrable. At low density all of these models can be described by the Bose gas
with delta interaction. The lattice corrections corresponding to the different
models are contrasted.

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