中文

外推量子态、空态与一类庞大的新型可蒸馏纠缠态

量子物理 2017-01-27 v1 数学物理 math.MP

摘要

任意纯张量积态的一个有趣且良好的性质是,每个这样的态在其邻域内任意小的距离 ϵ\epsilon 处都存在可蒸馏纠缠态。我们称此类邻近态为 ϵ\epsilon-纠缠态,并将这种情况下的张量积态称为“边界可分离态”,因为从该“边界”的任意距离处都存在纠缠。在此,我们发现了庞大一类可分离态同样具有上述性质——它们邻域内任意小距离处均存在 ϵ\epsilon-纠缠态。此外,它们所具有的纠缠被证明是可蒸馏的。随后,我们将该结果推广至失协/经典界限(discordant/classical cut),表明所有经典态(相关与无关)在距离 ϵ\epsilon 处均存在失协态,并给出了一种寻找 ϵ\epsilon-失协态的构造性方法。

关键词

引用

@article{arxiv.1701.07757,
  title  = {Extrapolated Quantum States, Void States, and a Huge Novel Class of Distillable Entangled States},
  author = {Michel Boyer and Aharon Brodutch and Tal Mor},
  journal= {arXiv preprint arXiv:1701.07757},
  year   = {2017}
}

备注

A preliminary version of this work was presented at the 3rd International Conference on the Theory and Practice of Natural Computing TPNC 2014 (Boyer and Mor (2014))