Bell inequalities for graph states.

@article{Ghne2005BellIF,
  title={Bell inequalities for graph states.},
  author={O. G{\"u}hne and G{\'e}za T{\'o}th and Philipp Hyllus and Hans J. Briegel},
  journal={Physical review letters},
  year={2005},
  volume={95 12},
  pages={
          120405
        }
}
We investigate the nonlocal properties of graph states. To this aim, we derive a family of Bell inequalities which require three measurement settings for each party and are maximally violated by graph states. In turn, for each graph state there is an inequality maximally violated only by that state. We show that for certain types of graph states the violation of these inequalities increases exponentially with the number of qubits. We also discuss connections to other entanglement properties… CONTINUE READING
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