对 Lieb 和 Seiringer 的“熵的更强次可加性” (math-ph/0412009) 的评论
数学物理
2009-01-14 v3 math.MP
量子物理
摘要
我们展示了 Lieb 和 Seiringer 近期的结果 [math-ph/0412009; Phys. Rev. A 71, 062329 (2005)] 如何能通过对偏迹下相对熵单调性的反复使用得到，并解释了如何利用他们的方法在许多情形下获得更紧的界。
关键词
引用
@article{arxiv.math-ph/0603022,
title = {Comment on "Stronger subadditivity of entropy" by Lieb and Seiringer math-ph/0412009},
author = {Mary Beth Ruskai},
journal= {arXiv preprint arXiv:math-ph/0603022},
year = {2009}
}
备注
math-ph/0412009 appeared in Phys. Rev. A 71, 062329 (2005). In v. 3 typos are corrected and a paragraph added which shows that the "sandwich" property (13) [which is (9) in LS] holds for any CPT map restricted to a subsystem