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Physics 2003
Experimental evidence for bounds on quantum correlationsDOI: 10.1103/PhysRevLett.92.060404 Abstract: We implemented the experiment proposed by Cabello [arXiv:quant-ph/0309172] to test the bounds of quantum correlation. As expected from the theory we found that, for certain choices of local observables, Cirel'son's bound of the Clauser-Horne-Shimony-Holt inequality ($2\sqrt{2}$) is not reached by any quantum states.
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