Spin interaction Hamiltonians are obtained from the unitary Yang--Baxter R˘-matrix. Based on which, we study Berry phase and quantum criticality in the Yang--Baxter systems.
@article{arxiv.0806.1369,
title = {Berry phase and quantum criticality in Yang--Baxter systems},
author = {Jing-Ling Chen and Kang Xue and Mo-Lin Ge},
journal= {arXiv preprint arXiv:0806.1369},
year = {2008}
}
Comments
7 pages, no figures. Accepted for publication in Annals of Physics