Mott transition in lattice boson models
数学物理
2007-05-23 v2 统计力学
math.MP
摘要
We use mathematically rigorous perturbation theory to study the transition between the Mott insulator and the conjectured Bose-Einstein condensate in a hard-core Bose-Hubbard model. The critical line is established to lowest order in the tunneling amplitude.
引用
@article{arxiv.math-ph/0509060,
title = {Mott transition in lattice boson models},
author = {Roberto Fernandez and Juerg Froehlich and Daniel Ueltschi},
journal= {arXiv preprint arXiv:math-ph/0509060},
year = {2007}
}
备注
20 pages