纯多量子比特态的单量子比特约化态:多边形不等式
量子物理
2016-09-08 v2
摘要
我们表明, 个单量子比特混合态构成纯 -量子比特态的约化态的充要条件是它们较小的本征值满足多边形不等式:其中任何一个都不能超过其余本征值之和。
引用
@article{arxiv.quant-ph/0209085,
title = {One-qubit reduced states of a pure many-qubit state: polygon inequalities},
author = {A. Higuchi and A. Sudbery and J. Szulc},
journal= {arXiv preprint arXiv:quant-ph/0209085},
year = {2016}
}
备注
Contains some further discussion of the results. Published version