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Title: Multipartite bound entanglement and three-setting Bell inequalities
Authors: Kaszlikowski, Dagomir
Kwek, Leong Chuan
Chen, Jing-Ling
Oh, Choo Hiap
Issue Date: 2002
Citation: Kaszlikowski, D., Kwek, L. C., Chen, J. L., & Oh, C. H. (2002). Multipartite bound entanglement and three-setting Bell inequalities. Physical Review A, 66(5), 052309.
Abstract: It was shown by Dur [Phys. Rev. Lett. 87, 230402 (2001)] that N (N>~4) qubits described by a certain one-parameter family F of bound entangled states violate the Mermin-Klyshko inequality for N>~8. In this paper we prove that the states from the family F violate Bell inequalities derived by ┼╗ukowski and Kaszlikowski [Phys. Rev. A 56, R1682 (1997)], in which each observer measures three noncommuting sets of orthogonal projectors, for N>~7. We also derive a simple one-parameter family of entanglement witnesses that detect entanglement for all the states belonging to F. It is possible that these entanglement witnesses could be generated by some Bell inequalities.
ISSN: 1050-2947
Other Identifiers: 10.1103/PhysRevA.66.052309
Appears in Collections:Journal Articles

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