Experimental test of quantum nonlocality in three-photon Greenberger–Horne–Zeilinger entanglement

@article{Pan2000ExperimentalTO,
  title={Experimental test of quantum nonlocality in three-photon Greenberger–Horne–Zeilinger entanglement},
  author={Jian-Wei Pan and Dirk Bouwmeester and M. Daniell and Harald Weinfurter and Anton Zeilinger},
  journal={Nature},
  year={2000},
  volume={403},
  pages={515-519}
}
Bell's theorem states that certain statistical correlations predicted by quantum physics for measurements on two-particle systems cannot be understood within a realistic picture based on local properties of each individual particle—even if the two particles are separated by large distances. Einstein, Podolsky and Rosen first recognized the fundamental significance of these quantum correlations (termed ‘entanglement’ by Schrödinger) and the two-particle quantum predictions have found ever… 
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