Experimental falsification of Leggett's nonlocal variable model.

@article{Branciard2007ExperimentalFO,
  title={Experimental falsification of Leggett's nonlocal variable model.},
  author={C. Branciard and A. Ling and N. Gisin and C. Kurtsiefer and A. Lamas-Linares and V. Scarani},
  journal={Physical review letters},
  year={2007},
  volume={99 21},
  pages={
          210407
        }
}
  • C. Branciard, A. Ling, +3 authors V. Scarani
  • Published 2007
  • Physics, Medicine
  • Physical review letters
  • Bell's theorem guarantees that no model based on local variables can reproduce quantum correlations. Also, some models based on nonlocal variables, if subject to apparently "reasonable" constraints, may fail to reproduce quantum physics. In this Letter, we introduce a family of inequalities, which use a finite number of measurement settings, and which therefore allow testing Leggett's nonlocal model versus quantum physics. Our experimental data falsify Leggett's model and are in agreement with… CONTINUE READING
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