Gerd Niestegge. Three-slit experiments and nonlocality - The absence of 3rd-order interference implies Tsirelson's bound

Natural Sciences / Physics / Quantum field theory

Submitted on: Jun 18, 2012, 17:18:54

Description: In the EPR experiments, quantum mechanics exhibits stronger statistical correlations between two spatially separated physical systems than possible in the classical case. These nonlocal correlations are shown in a violation of the Bell or CHSH inequality, but still respect another bound discovered by Tsirelson. The paper reveals a link between Tsirelson's bound and Sorkin's concept of third-order interference. Considering multiple-slit experiments - not only the traditional configuration with two slits, but also configurations with three and more slits - Sorkin detected that third-order (and higher-order) interference is not possible in quantum mechanics. It now turns out that Tsirelson's bound holds in almost any other probabilistic theory which rules out third-orderinterference.

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