所有真正纠缠稳定子空间都是多部完全非局部的

IF 8.3 1区 物理与天体物理 Q1 PHYSICS, APPLIED
Owidiusz Makuta, Remigiusz Augusiak
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引用次数: 0

摘要

了解哪些纠缠态会引起贝尔非定域性,从而在与设备无关的框架中具有资源是一个长期未解决的问题。在这里,我们建立了一类源自稳定器形式的多部态(纯态和混合态)的真纠缠态和真非定域性之间的等价性。事实上,我们证明了在真正纠缠子空间上定义的任何(混合)稳定器状态都是多部完全非局部的,这意味着它产生的相关性没有任何类型的局部隐变量模型的贡献。重要的是,我们还推导了任意多部态的真正非定域性内容的下界,为其实验估计打开了大门。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
All genuinely entangled stabilizer subspaces are multipartite fully nonlocal

Understanding which entangled states give rise to Bell nonlocality and thus are resourceful in the device-independent framework is a long-standing unresolved problem. Here, we establish the equivalence between genuine entanglement and genuine nonlocality for a broad class of multipartite (pure and mixed) states originating from the stabilizer formalism. In fact, we prove that any (mixed) stabilizer state defined on a genuinely entangled subspace is multipartite fully nonlocal, meaning that it gives rise to correlations with no contribution from local hidden variable models of any type. Importantly, we also derive a lower bound on genuine nonlocality content of arbitrary multipartite states, opening the door to its experimental estimation.

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来源期刊
npj Quantum Information
npj Quantum Information Computer Science-Computer Science (miscellaneous)
CiteScore
13.70
自引率
3.90%
发文量
130
审稿时长
29 weeks
期刊介绍: The scope of npj Quantum Information spans across all relevant disciplines, fields, approaches and levels and so considers outstanding work ranging from fundamental research to applications and technologies.
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