四量子比特纯态中两对之间的最大纠缠
量子物理
2007-07-03 v2
摘要
我们证明 Sudbery 和其中一位作者提出的具有已知最高平均两粒子冯·诺依曼纠缠熵的态，给出了该熵的局部极大值。我们还证明，由 Brown 等人提出的另一种高度纠缠态并非如此。
引用
@article{arxiv.0704.2961,
title = {On maximal entanglement between two pairs in four-qubit pure states},
author = {Stephen Brierley and Atsushi Higuchi},
journal= {arXiv preprint arXiv:0704.2961},
year = {2007}
}
备注
Additional paragraph added referring to the proposed state in relation to bipartite entanglement and the concurrence. References added