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No Bipartite-Nonlocal Causal Theory Can Explain Nature's Correlations
[article]
2021
arXiv
pre-print
We show that some tripartite quantum correlations are inexplicable by any causal theory involving bipartite nonclassical common causes and unlimited shared randomness. This constitutes a device-independent proof that Nature's nonlocality is fundamentally at least tripartite in every conceivable physical theory - no matter how exotic. To formalize this claim we are compelled to substitute Svetlichny's historical definition of genuine tripartite nonlocality with a novel theory-agnostic definition
arXiv:2105.09381v2
fatcat:e7iqsyls6rfe3aairucztcmvlu