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Experimental Realization of Einstein-Podolsky-Rosen-Bohm Gedankenexperiment: A New Violation of Bell's Inequalities

Alain Aspect, Philippe Grangier, and Gérard Roger
Phys. Rev. Lett. 49, 91 – Published 12 July 1982
An article within the collection: The Physical Review Journals Celebrate The International Year of Light and the Letters from the Past - A PRL Retrospective
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Abstract

The linear-polarization correlation of pairs of photons emitted in a radiative cascade of calcium has been measured. The new experimental scheme, using two-channel polarizers (i.e., optical analogs of Stern-Gerlach filters), is a straightforward transposition of Einstein-Podolsky-Rosen-Bohm gedankenexperiment. The present results, in excellent agreement with the quantum mechanical predictions, lead to the greatest violation of generalized Bell's inequalities ever achieved.

  • Received 30 December 1981

DOI:https://doi.org/10.1103/PhysRevLett.49.91

©1982 American Physical Society

Collections

This article appears in the following collections:

The Physical Review Journals Celebrate The International Year of Light

The editors of the Physical Review journals revisit papers that represent important breakthroughs in the field of optics.

Letters from the Past - A PRL Retrospective

2008 marked PRL’s 50th anniversary. As part of the celebrations a collection of milestone Letters was started. The collection contains Letters that have made long-lived contributions to physics, either by announcing significant discoveries, or by initiating new areas of research.

Authors & Affiliations

Alain Aspect, Philippe Grangier, and Gérard Roger

  • Institut d'Optique Théorique et Appliquée, Laboratoire associé au Centre National de la Recherche Scientifique, Université Paris-Sud, F-91406 Orsay, France

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Issue

Vol. 49, Iss. 2 — 12 July 1982

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