中文

量子自旋链基态中的自发 $SU_2(\mathbb{C})$ 对称性破缺

数学物理 2017-09-05 v7 math.MP 算子代数

摘要

在本文中,我们证明了对于任意偶整数 d2d \ge 2,不存在 M=kZ ⁣Md(k)(C)\mathbb{M}=\otimes_{k \in \mathbb{Z}}\!M^{(k)}_d(\mathbb{C}) 的实、具有某种扭曲的格点对称且 SU2(C)SU_2(\mathbb{C}) 不变的平移不变纯态。特别地,该结果还表明具有 12{1 \over 2}-奇整数自旋自由度的海森堡等自旋反铁磁模型不存在唯一的基态。

关键词

引用

@article{arxiv.math-ph/0509049,
  title  = {Spontaneous $SU_2(\mathbb{C})$ symmetry breaking in the ground states of quantum spin chain},
  author = {Anilesh Mohari},
  journal= {arXiv preprint arXiv:math-ph/0509049},
  year   = {2017}
}

备注

This version is a significant revision of the last version incorporating reports that I have received on its last version