混合态的纠缠代价
量子物理
2009-11-07 v4
摘要
我们计算了几类二分混合态的纠缠代价,包括任意两个Bell态的混合。这是通过发展一种技术实现的,该技术使我们能够确定任意支撑于特定子空间上态的纠缠形成可加性。作为一个附带的成果,将纠缠渐近局域操作不可逆性的证明推广到了双量子比特系统。
引用
@article{arxiv.quant-ph/0112131,
title = {Entanglement cost of mixed states},
author = {G. Vidal and W. Dür and J. I. Cirac},
journal= {arXiv preprint arXiv:quant-ph/0112131},
year = {2009}
}
备注
4 pages, no figures, (v4) new results, including a new method to determine E_c for more general mixed states, presentation changed significantly