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Bell-Type Inequalities to Detect True n-Body Nonseparability

Published inPhysical review letters, vol. 88, no. 17
Publication date2002
Abstract

We analyze the structure of correlations among more than two quantum systems. We introduce a classification of correlations based on the concept of nonseparability, which is different a priori from the concept of entanglement. Generalizing a result of Svetlichny [Phys. Rev. D 35, 3066 (1987)] on threeparticle correlations, we find an inequality for n-particle correlations that holds under the most general separability condition and that is violated by some quantum-mechanical states

Citation (ISO format)
COLLINS, Daniel Geoffrey et al. Bell-Type Inequalities to Detect True <em>n</em>-Body Nonseparability. In: Physical review letters, 2002, vol. 88, n° 17. doi: 10.1103/PhysRevLett.88.170405
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ISSN of the journal0031-9007
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