Mermin inequalities for perfect correlations
arXiv:0708.3208 · doi:10.1103/PhysRevA.77.062106
Abstract
Any n-qubit state with n independent perfect correlations is equivalent to a graph state. We present the optimal Bell inequalities for perfect correlations and maximal violation for all classes of graph states with n < 7 qubits. Twelve of them were previously unknown and four give the same violation as the Greenberger-Horne-Zeilinger state, although the corresponding states are more resistant to decoherence.
REVTeX4, 5 pages, 1 figure
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