广义鲁棒性与几何纠缠测度之间的关联
量子物理
2008-01-07 v4
摘要
本文的主要目标是提供纠缠的广义鲁棒性()与几何纠缠测度()之间的联系。首先,我们证明广义鲁棒性总是高于或等于几何测度。然后我们基于仅的纯度及其与可分态的最大重叠,找到了的一个更紧的下界。正如我们将看到的,也可以用来表达这个下界。
引用
@article{arxiv.quant-ph/0602031,
title = {Connecting the generalized robustness and the geometric measure of entanglement},
author = {Daniel Cavalcanti},
journal= {arXiv preprint arXiv:quant-ph/0602031},
year = {2008}
}
备注
4 pages, 2 figures. Comments welcome. v2: text improved - some completely symmetric states were used to illustrate the results. Comments are always welcome! v3: minor changes. Accepted by Phys. Rev. A. v4: results on symmetric states fixed