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Title: Quantum nonlocality of massive qubits in a moving frame
Authors: Su, Hong-Yi.
Wu, Yu-Chun.
Chen, Jing-Ling.
Wu, Chunfeng.
Kwek, L. C.
Keywords: DRNTU::Science::Physics
Issue Date: 2013
Source: Su, H.-Y., Wu, Y.-C., Chen, J.-L., Wu, C., & Kwek, L. C. (2013). Quantum nonlocality of massive qubits in a moving frame. Physical review A, 88(2), 022124-.
Series/Report no.: Physical review A
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.
DOI: 10.1103/PhysRevA.88.022124
Rights: © 2013 American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: [].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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