并发度的界及其与保真度和前沿态的关系
量子物理
2011-10-07 v3
摘要
利用保真度的两个性质，证明了[F. Mintert and A. Buchleitner, Phys. Rev. Lett. 98 (2007) 140505]和[C. Zhang \textit{et. al.}, Phys. Rev. A 78 (2008) 042308]中的并发度界。在两量子比特系统中，对于给定的并发度值，解析确定了达到最大上界、最小下界或最大上下界差值的态。
引用
@article{arxiv.0808.2077,
title = {Bounds of concurrence and their relation with fidelity and frontier states},
author = {Zhihao Ma and Fu-Lin Zhang and Dong-Ling Deng and Jing-Ling Chen},
journal= {arXiv preprint arXiv:0808.2077},
year = {2011}
}