Approaching Tsirelson's Bound in a Photon Pair Experiment.

@article{Poh2015ApproachingTB,
  title={Approaching Tsirelson's Bound in a Photon Pair Experiment.},
  author={H. S. Poh and S. K. Joshi and A. Cer{\`e} and A. Cabello and C. Kurtsiefer},
  journal={Physical review letters},
  year={2015},
  volume={115 18},
  pages={
          180408
        }
}
  • H. S. Poh, S. K. Joshi, +2 authors C. Kurtsiefer
  • Published 2015
  • Physics, Medicine
  • Physical review letters
  • We present an experimental test of the Clauser-Horne-Shimony-Holt Bell inequality on photon pairs in a maximally entangled state of polarization in which a value S=2.82759±0.00051 is observed. This value comes close to the Tsirelson bound of |S|≤2sqrt[2], with S-2sqrt[2]=0.00084±0.00051. It also violates the bound |S|≤2.82537 introduced by Grinbaum by 4.3 standard deviations. This violation allows us to exclude that quantum mechanics is only an effective description of a more fundamental theory… CONTINUE READING

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