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Einstein-Podolsky-Rosen correlations of photons: quantum-field-theory approach. (English) Zbl 1255.81022

Summary: We formulate a description of Einstein-Podolsky-Rosen-type experiments with photons which is especially convenient in the discussion of questions concerning Lorentz covariance. We classify all Lorentz-covariant two-photon states with sharp momenta and define observables corresponding to measurements of the linear polarization of photons. We also calculate explicitly the Einstein-Podolsky-Rosen correlation function and coincidence rate in the scalar two-photon state.

MSC:

81P15 Quantum measurement theory, state operations, state preparations
81V10 Electromagnetic interaction; quantum electrodynamics
Full Text: DOI

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