Researchers identify network correlations that escape Bell's theorem's classical constraints, introducing 'minimal network nonclassicality' as a testable criterion for certifying genuine quantum nonlocality in networks.
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@informaq.bsky.social@informaq.bsky.socialShows that a single relative phase between noise and Bell coherences monotonically orders thresholds for quantum communication abilities—crucial for understanding when noisy entangled states remain useful for cryptography and networking.