Integrability Test for Spin Chains
高能物理 - 理论
2009-10-28 v1 凝聚态物理
摘要
We examine a simple heuristic test of integrability for quantum chains. This test is applied to a variety of systems, including a generic isotropic spin-1 model with nearest-neighbor interactions and a multiparameter family of spin-1/2 models generalizing the XYZ chain, with next-to-nearest neighbor interactions and bond alternation. Within the latter family we determine all the integrable models with an o(2) symmetry.
引用
@article{arxiv.hep-th/9412039,
title = {Integrability Test for Spin Chains},
author = {M. P. Grabowski and P. Mathieu},
journal= {arXiv preprint arXiv:hep-th/9412039},
year = {2009}
}
备注
29 pages in plain TeX plus 1 uuencoded figure, uses macros harvmac.tex and epsf.tex