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vol.62 número2Análisis del coeficiente de amortiguamiento viscoso en un sistema masa-resorte-amortiguador utilizando PPLANE y GEOGEBRAComment to the article “On thermal waves velocity: some open questions in thermal waves physics”, Rev. Mex. Fis. E 62 (2016) 1-4 índice de autoresíndice de materiabúsqueda de artículos
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Revista mexicana de física E

versión impresa ISSN 1870-3542

Resumen

ACEVES RODRIGUEZ, U.A.. Desigualdades de Bell: un experimento sencillo para licenciatura. Rev. mex. fís. E [online]. 2016, vol.62, n.2, pp.73-77. ISSN 1870-3542.

This paper presents an experiment suitable for advanced undergraduate students. We use polarization-entangled photon pairs in order to demonstrate quantum nonlocality. The entangled state is created by spontaneous parametric downconversion using a violet laser diode and nonlinear BBO-II crystals. The idea behind Bell’s inequality is commented, and finally a test of the Clauser, Horne, Shimony, and Holt version of the Bell inequality is performed, finding S = -2.32 ± 0.045 contradicting the hidden variables theories prediction. This experimental setup takes less than a few hours to be ready, while the data collection takes no more than ten minutes.

Palabras llave : Bell inequalities; undergraduate experiment; Bell states.

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