Classical causal models cannot faithfully explain Bell nonlocality or Kochen-Specker contextuality in arbitrary scenarios

In a recent work, it was shown by one of us (EGC) that Bell-Kochen-Specker inequality violations in phenomena satisfying the no-disturbance condition (a generalisation of the no-signalling condition) cannot in general be explained with a faithful classical causal model---that is, a classical causal...

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Bibliographic Details
Main Authors: J. C. Pearl, E. G. Cavalcanti
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2021-08-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2021-08-05-518/pdf/