Equivalences between spin models induced by defects
高能物理 - 理论
2011-02-16 v3 强关联电子
数学物理
math.MP
摘要
The spectrum of integrable spin chains are shown to be independent of the ordering of their spins. As an application we introduce defects (local spin inhomogeneities in homogenous chains) in two-boundary spin systems and, by changing their locations, we show the spectral equivalence of different boundary conditions. In particular we relate certain nondiagonal boundary conditions to diagonal ones.
引用
@article{arxiv.hep-th/0601107,
title = {Equivalences between spin models induced by defects},
author = {Z. Bajnok},
journal= {arXiv preprint arXiv:hep-th/0601107},
year = {2011}
}
备注
14 pages, 16 figures, LaTeX, Extended version