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Spacelike separation in a Bell test assuming gravitationally induced collapses.
Salart, D; Baas, A; van Houwelingen, J A W; Gisin, N; Zbinden, H.
Afiliación
  • Salart D; Group of Applied Physics, University of Geneva, 20, Rue de l'Ecole de Médecine, CH-1211 Geneva 4, Switzerland.
Phys Rev Lett ; 100(22): 220404, 2008 Jun 06.
Article en En | MEDLINE | ID: mdl-18643408
We report on a Bell experiment with spacelike separation assuming that the measurement time is related to gravity-induced state reduction. Two energy-time entangled photons are sent through optical fibers and directed into unbalanced interferometers at two receiving stations separated by 18 km. At each station, the detection of a photon triggers the displacement of a macroscopic mass. The timing ensures spacelike separation from the moment a photon enters its interferometer until the mass has moved. Two-photon interference fringes with a visibility of up to 90.5% are obtained, leading to a violation of the Bell inequality.
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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2008 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos
Buscar en Google
Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2008 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos