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Violation of Bell's Inequality under Strict Einstein Locality Conditions

1998; American Physical Society; Volume: 81; Issue: 23 Linguagem: Inglês

10.1103/physrevlett.81.5039

1092-0145

Gregor Weihs, Thomas Jennewein, Christoph Simon, Harald Weinfurter, Anton Zeilinger,

Statistical Mechanics and Entropy

We observe strong violation of Bell's inequality in an Einstein, Podolsky and Rosen type experiment with independent observers. Our experiment definitely implements the ideas behind the well known work by Aspect et al. We for the first time fully enforce the condition of locality, a central assumption in the derivation of Bell's theorem. The necessary space-like separation of the observations is achieved by sufficient physical distance between the measurement stations, by ultra-fast and random setting of the analyzers, and by completely independent data registration.