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Title: Quantum nonlocality of massive qubits in a moving frame
Authors: Su, H.-Y.
Wu, Y.-C.
Chen, J.-L. 
Wu, C.
Kwek, L.C. 
Issue Date: 28-Aug-2013
Citation: Su, H.-Y., Wu, Y.-C., Chen, J.-L., Wu, C., Kwek, L.C. (2013-08-28). Quantum nonlocality of massive qubits in a moving frame. Physical Review A - Atomic, Molecular, and Optical Physics 88 (2) : -. ScholarBank@NUS Repository.
Abstract: We perform numerical tests on the quantum nonlocality of two-level quantum systems (qubits) observed by a uniformly moving observer. Under a suitable momentum setting, the quantum nonlocality of two-qubit nonmaximally entangled states could be weakened drastically by the Lorentz transformation, allowing for the existence of local-hidden-variable models, whereas three-qubit genuinely entangled states are robust. In particular, the generalized Greenberger-Horne- Zeilinger state remains nonlocal under arbitrary Wigner rotation and the generalized W state could admit local-hidden-variable models within a rather narrow range of parameters. © 2013 American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.88.022124
Appears in Collections:Staff Publications

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