Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.110.100403
Title: Greenberger-Horne-Zeilinger paradoxes from Qudit graph states
Authors: Tang, W.
Yu, S. 
Oh, C.H. 
Issue Date: 6-Mar-2013
Source: Tang, W., Yu, S., Oh, C.H. (2013-03-06). Greenberger-Horne-Zeilinger paradoxes from Qudit graph states. Physical Review Letters 110 (10) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.110.100403
Abstract: One fascinating way of revealing quantum nonlocality is the all-versus-nothing test due to Greenberger, Horne, and Zeilinger (GHZ) known as the GHZ paradox. So far genuine multipartite and multilevel GHZ paradoxes are known to exist only in systems containing an odd number of particles. Here we shall construct GHZ paradoxes for an arbitrary number (greater than 3) of particles with the help of qudit graph states on a special kind of graphs, called GHZ graphs. Furthermore, based on the GHZ paradox arising from a GHZ graph, we derive a Bell inequality with two d-outcome observables for each observer, whose maximal violation attained by the corresponding graph state, and a Kochen-Specker inequality testing the quantum contextuality in a state-independent fashion. © 2013 American Physical Society.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/52969
ISSN: 00319007
DOI: 10.1103/PhysRevLett.110.100403
Appears in Collections:Staff Publications

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