Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/42698
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dc.contributor.authorGaeta, M.
dc.contributor.authorKlimov, Andrei B.
dc.contributor.authorLawrence, J.
dc.date.accessioned2015-09-15T18:21:28Z-
dc.date.available2015-09-15T18:21:28Z-
dc.date.issued2015
dc.identifier.urihttp://www.scopus.com/inward/record.url?eid=2-s2.0-84921654098&partnerID=40&md5=805e3a348de282a4708206754adcedde
dc.identifier.urihttp://hdl.handle.net/20.500.12104/42698-
dc.description.abstractSystems of four nonbinary particles, with each particle having d?3 internal states, exhibit maximally entangled states that are inaccessible to four qubits. This breaks the pattern of two- and three-particle systems, in which the existing graph states are equally accessible to binary and nonbinary systems alike. We compare the entanglement properties of these special states (called P states) with those of the more familiar Greenberger-Horne-Zeilinger (GHZ) and cluster states accessible to qubits. The comparison includes familiar entanglement measures, the "steering" of states by projective measurements, and the probability that two such measurements, chosen at random, leave the remaining particles in a Bell state. These comparisons demonstrate not only that P-state entanglement is stronger than the other types but also that it is maximal in a well-defined sense. We prove that GHZ, cluster, and P states represent all possible entanglement classes of four-particle graph states with prime d?3. � 2015 American Physical Society.
dc.relation.isreferencedbyScopus
dc.relation.isreferencedbyWOS
dc.titleMaximally entangled states of four nonbinary particles
dc.typeArticle
dc.identifier.doi10.1103/PhysRevA.91.012332
dc.relation.ispartofjournalPhysical Review A - Atomic, Molecular, and Optical Physics
dc.relation.ispartofvolume91
dc.relation.ispartofissue1
dc.contributor.affiliationGaeta, M., Department of Physics, University of GuadalajaraGuadalajara, Jalisco, Mexico; Klimov, A., Department of Physics, University of GuadalajaraGuadalajara, Jalisco, Mexico; Lawrence, J., Department of Physics and Astronomy, Dartmouth CollegeHanover, NH, United States, James Franck Institute, University of ChicagoChicago, IL, United States
dc.contributor.affiliationKlimov, Andrei B., Universidad de Guadalajara. Centro Universitario de Ciencias Exactas e Ingenier�as
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