Effect of polarization entanglement in photon-photon scattering

@article{Ratzel2017EffectOP,
  title={Effect of polarization entanglement in photon-photon scattering},
  author={Dennis Ratzel and Martin Wilkens and Ralf Menzel},
  journal={Physical Review A},
  year={2017},
  volume={95},
  pages={012101}
}
It is found that the differential cross section of photon-photon scattering is a function of the degree of polarization entanglement of the two-photon state. A reduced, general expression for the differential cross section of photon-photon scattering is derived by applying simple symmetry arguments. An explicit expression is obtained for the example of photon-photon scattering due to virtual electron-positron pairs in Quantum Electrodynamics. It is shown how the effect in this explicit example… Expand

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