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Title: Asymmetric multipartite Greenberger-Horne-Zeilinger states and Bell inequalities
Authors: Gosal, Darwin
Kaszlikowski, Dagomir
Kwek, Leong Chuan
Zukowski, Marek
Oh, Choo Hiap
Issue Date: 2004
Citation: Gosal, D., Kaszlikowski, D., Kwek, L. C., ┼╗ukowski, M., & Oh, C. H. (2004). Asymmetric multipartite Greenberger-Horne-Zeilinger states and Bell inequalities. Physical Review A, 70(4), 042106.
Abstract: We study the multiparticle generalized GHZ states. It has been shown that for an odd number of qubits and for a specific range of parameters, they do not violate any Bell inequality for correlation functions. We show here both analytically and numerically that, nevertheless, such states violate local realism, once a more detailed analysis of the correlations is made than the one allowed by correlation functions. The results imply that multiparticle Clauser-Horne-type inequalities involving probabilities are stronger tools for analyzing violations of local realism in multiparticle systems than inequalities involving the correlation functions.
ISSN: 1094-1622 (online)
1050-2947 (print)
Other Identifiers: 10.1103/PhysRevA.70.042106
Appears in Collections:Journal Articles

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