费米态约化密度矩阵的熵与纠缠界
算子代数
2016-05-02 v3 量子物理
摘要
与玻色子不同,费米子总是具有非平凡的纠缠。直观上,Slater 行列式态应是纠缠最少的态。为了使这一直觉精确化,我们研究了费米态的熵与纠缠,并证明了 Slater 行列式态的约化密度矩阵的一些极值和近极值性质。
引用
@article{arxiv.1403.3816,
title = {Entropy and entanglement bounds for reduced density matrices of fermionic states},
author = {Eric A. Carlen and Elliott H. Lieb and Robin Reuvers},
journal= {arXiv preprint arXiv:1403.3816},
year = {2016}
}
备注
20 pages. This version of the paper is a substantial revision of the previous version