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Berry phase and quantum criticality in Yang--Baxter systems

arXiv:0806.1369 · doi:10.1016/j.aop.2008.06.003

Abstract

Spin interaction Hamiltonians are obtained from the unitary Yang--Baxter $\breve{R}$-matrix. Based on which, we study Berry phase and quantum criticality in the Yang--Baxter systems.

7 pages, no figures. Accepted for publication in Annals of Physics