Quantum nonlocality and beyond: Limits from nonlocal computation

Noah Linden, Sandu Popescu, Anthony J. Short, Andreas Winter

Research output: Contribution to journalArticlepeer-review

140 Scopus citations

Abstract

We address the problem of "nonlocal computation," in which separated parties must compute a function without any individual learning anything about the inputs. Surprisingly, entanglement provides no benefit over local classical strategies for such tasks, yet stronger nonlocal correlations allow perfect success. This provides intriguing insights into the limits of quantum information processing, the nature of quantum nonlocality, and the differences between quantum and stronger-than-quantum nonlocal correlations.

Original languageEnglish
Article number180502
JournalPhysical Review Letters
Volume99
Issue number18
DOIs
StatePublished - 30 Oct 2007
Externally publishedYes

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