有理自旋-1/2 Richardson--Gaudin 系统的贝特态完备性
可精确求解与可积系统
2017-10-19 v5 数学物理
math.MP
摘要
建立精确可解模型的贝特拟设解的完备性是一个长期存在的挑战,通常按个案处理。对于有理、自旋-1/2 Richardson--Gaudin 系统,我们将论证:对于系统耦合参数的通用值,贝特态是完备的。该方法不依赖于贝特根分布的知识(如弦假设),并且可推广到更广泛的系统类别。
引用
@article{arxiv.1603.03542,
title = {Completeness of the Bethe states for the rational, spin-1/2 Richardson--Gaudin system},
author = {Jon Links},
journal= {arXiv preprint arXiv:1603.03542},
year = {2017}
}
备注
15 pages. Submission to SciPost. Minor corrections made in this version in response to referee reports