期刊
PHYSICAL REVIEW A
卷 100, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.100.012102
关键词
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资金
- MCTIC
- MEC
- CNPq [307172/2017-1, 154354/2018-0]
- Serrapilheira Institute [Serra-1708-15763]
- John Templeton Foundation via Grant Q-CAUSAL [61084]
- CNPq (INCT-IQ)
Via nonlocality distillation, a number of copies of a given nonlocal correlation can be turned into a new correlation displaying a higher degree of nonlocality. Apart from its clear relevance in situations where nonlocality is a resource, distillation protocols also play an important role in the understanding of information-theoretical principles for quantum theory. Here, we derive a necessary condition for nonlocality distillation from two copies and apply it, among other results, to show that one-dimensional (1D) and 2D quantum voids-faces of the nonlocal simplex set with no quantum realization-can be distilled up to PR boxes. With that, we generalize previous results in the literature, for instance, showing a broad class of postquantum correlations that make communication complexity trivial and violate the information causality principle.
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