Bell's theorem and beyond

Mark Hillery, B. Yurke

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The authors survey what is known about correlations in physical systems. Bell (1964-6) found that locally realistic theories are limited in the types of correlations which they allow. The more recent results of Greenberger, Horne and Zeilinger (1992) and of Hardy (1989) have shown that local realism imposes even stronger restrictions than those found by Bell. It is less well known that quantum mechanics is also limited in the kinds of correlations it can produce. This was first discovered by Tsirelson (1980). The authors discuss Tsirelson's results and related work by Landau (1987). They conclude by presenting further conditions which quantum mechanical correlations must satisfy.

Original languageEnglish
Article number004
Pages (from-to)215-227
Number of pages13
JournalQuantum and Semiclassical Optics: Journal of the European Optical Society Part B
Volume7
Issue number3
DOIs
StatePublished - 1995
Externally publishedYes

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