Momentum-position realization of the Einstein-Podolsky-Rosen paradox
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🪐 quant-ph
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momentum-positionparadoxrealizationachievedapproachboundscollinearcriteria
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We report on a momentum-position realization of the EPR paradox using direct detection in the near and far fields of the photons emitted by collinear type-II phase-matched parametric downconversion. Using this approach we achieved a measured two-photon momentum-position variance product of $0.01\hbar^2$, which dramatically violates the bounds for the EPR and separability criteria.
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