一种四方不可解锁的束缚纠缠态
量子物理
2009-11-06 v6
摘要
我提出一种四方不可解锁的束缚纠缠态,即一种无法写为可分形式的四方量子态,且各方之间通过局域量子操作与经典通信无法从中提炼出纯纠缠;然而当任意两方汇集于同一实验室时,它们可执行一种测量,使另两方无需汇集就能在彼此间创建纯最大纠缠态。此种解锁能力可从两方面看待:或是判定混合体中共享的是哪个贝尔态,或作为一种伴随泡利算子抵消的量子隐形传态。
引用
@article{arxiv.quant-ph/0001001,
title = {A four-party unlockable bound-entangled state},
author = {John A. Smolin},
journal= {arXiv preprint arXiv:quant-ph/0001001},
year = {2009}
}
备注
5 pages revtex including 1 epsf postscript figure. Minor errors corrected, and notational changes. The figure has notation revised as well