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arXiv 2302.00488quant-phcs.ITmath-phmath.ITmath.MP
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扩展坍缩通信复杂度的非局域盒的已知区域

Extending the Known Region of Nonlocal Boxes that Collapse Communication Complexity

Pierre Botteron, Anne Broadbent, Marc-Olivier Proulx

AI总结:

本文研究了非信号盒坍缩通信复杂度的条件,提出了一个更好的充分条件,扩展了已知的坍缩区域,并在NS的某些切片中证明该条件对应于椭圆外部的区域。

摘要:

非信号盒(NS)是由无超光速通信原理定义的理论资源。它们推广了量子关联,其中一些已知会坍缩通信复杂度(CC)。然而,这种坍缩被强烈认为在自然界中无法实现,因此其研究为判断哪些理论不切实际提供了直觉。在本文中,我们找到了非局域盒坍缩CC的更好充分条件,从而扩展了已知的坍缩区域。在NS的某些切片中,我们证明该条件与椭圆外部的区域相重合。

英文摘要:

Non-signalling boxes (NS) are theoretical resources defined by the principle of no-faster-than-light communication. They generalize quantum correlations, and some of them are known to collapse communication complexity (CC). However, this collapse is strongly believed to be unachievable in Nature, so its study provides intuition on which theories are unrealistic. In the present letter, we find a better sufficient condition for a nonlocal box to collapse CC, thus extending the known collapsing region. In some slices of NS, we show this condition coincides with an area outside of an ellipse.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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