Quantum correlations with no causal order

The idea that events obey a definite causal order is deeply rooted in our understanding of the world and at the basis of the very notion of time. But where does causal order come from, and is it a necessary property of nature? Here, we address these questions from the standpoint of quantum mechanics...

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Bibliographic Details
Main Authors: Oreshkov, Ognyan, Costa, Fabio, Brukner, Časlav
Format: Online
Language:English
Published: Nature Pub. Group 2012
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3493644/