Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.86.032305
DC FieldValue
dc.titleBell nonlocality in conventional and topological quantum phase transitions
dc.contributor.authorDeng, D.-L.
dc.contributor.authorWu, C.
dc.contributor.authorChen, J.-L.
dc.contributor.authorGu, S.-J.
dc.contributor.authorYu, S.
dc.contributor.authorOh, C.H.
dc.date.accessioned2014-05-19T02:50:21Z
dc.date.available2014-05-19T02:50:21Z
dc.date.issued2012-09-10
dc.identifier.citationDeng, D.-L., Wu, C., Chen, J.-L., Gu, S.-J., Yu, S., Oh, C.H. (2012-09-10). Bell nonlocality in conventional and topological quantum phase transitions. Physical Review A - Atomic, Molecular, and Optical Physics 86 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.86.032305
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/52808
dc.description.abstractWe investigate the critical behaviors of the Bell nonlocality, which are measured by the Bell-function values, in conventional and topological quantum-phase transitions. First, by using the quantum-renormalization-group method, we show that the Bell function value of a three-qubit Bell inequality in the anisotropic spin-1/2 XY model exhibits singular behaviors at the critical point. Moreover, for topological quantum-phase transitions, we find that the first-order derivative of the Bell-function value of the well-known Clauser-Horne-Shimony-Holt inequality in the Kitaev-Castelnovo-Chamon model behaves singularly at the topological-phase-transition point. Our results have established a link between quantum nonlocality and phase transitions. © 2012 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.86.032305
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCENTRE FOR QUANTUM TECHNOLOGIES
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevA.86.032305
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume86
dc.description.issue3
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000308459100006
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