Phys. Rev. A 76, 052102 (2007) [10 pages]Einstein-Podolsky-Rosen correlations of photons: Quantum-field-theory approachReceived 27 March 2007; published 6 November 2007 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. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.76.052102
DOI:
10.1103/PhysRevA.76.052102
PACS:
03.65.Ud, 03.65.Ta
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