Superactivating bound entanglement in quantum networks via quantum Zeno dynamics and a novel algorithm for optimized Zeno evolution

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dc.authorid0000-0002-5872-9158
dc.authorid0009-0009-2137-9068
dc.authorid0000-0003-2383-4705
dc.authorid0000-0002-3654-0469
dc.contributor.authorÖzaydın, Fatihen_US
dc.contributor.authorBayrakçı, Veyselen_US
dc.contributor.authorAltıntaş, Azmi Alien_US
dc.contributor.authorBayındır, Cihanen_US
dc.date.accessioned2023-02-06T11:37:12Z
dc.date.available2023-02-06T11:37:12Z
dc.date.issued2023-01
dc.departmentIşık Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering and Natural Sciences, Department of Electrical and Electronics Engineeringen_US
dc.descriptionThis research was funded by Personal Research Fund of Tokyo International University.en_US
dc.description.abstractAn arbitrary amount of entanglement shared among nodes of a quantum network might be nondistillable if the nodes lack the information on the entangled Bell pairs they share. Making such a system distillable, which is called the superactivation of bound entanglement (BE), was shown to be possible through systematic quantum teleportation between the nodes, requiring the implementation of controlled-gates scaling with the number of nodes. In this work, we show in two scenarios that the superactivation of BE is possible if nodes implement the proposed local quantum Zeno strategies based on only single qubit rotations and simple threshold measurements. In the first scenario we consider, we obtain a two-qubit distillable entanglement system as in the original superactivation proposal. In the second scenario, we show that superactivation can be achieved among the entire network of eight qubits in five nodes. In addition to obtaining all-particle distillable entanglement, the overall entanglement of the system in terms of the sum of bipartite cuts is increased. We also design a general algorithm with variable greediness for optimizing the QZD evolution tasks. Implementing our algorithm for the second scenario, we show that a significant improvement can be obtained by driving the initial BE system into a maximally entangled state. We believe our work contributes to quantum technologies from both practical and fundamental perspectives bridging nonlocality, bound entanglement and the quantum Zeno dynamics among a quantum network.en_US
dc.description.sponsorshipTokyo International Universityen_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationÖzaydın, F., Bayrakçı, V., Altıntaş, A. A. & Bayındır, C. (2023). Superactivating bound entanglement in quantum networks via quantum Zeno dynamics and a novel algorithm for optimized Zeno evolution. Applied Sciences (Switzerland), 13(2), 1-16. doi:10.3390/app13020791en_US
dc.identifier.doi10.3390/app13020791
dc.identifier.endpage16
dc.identifier.issn2076-3417
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85146721915
dc.identifier.scopusqualityQ2
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/11729/5346
dc.identifier.urihttp://dx.doi.org/10.3390/app13020791
dc.identifier.volume13
dc.identifier.wosWOS:000914501600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.institutionauthorBayrakçı, Veyselen_US
dc.institutionauthorid0009-0009-2137-9068
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherMDPIen_US
dc.relation.ispartofApplied Sciences (Switzerland)en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - İdari Personel ve Öğrencien_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectQuantum networksen_US
dc.subjectQuantum communicationen_US
dc.subjectQuantum entanglementen_US
dc.subjectBound entanglementen_US
dc.subjectSuperactivationen_US
dc.subjectQuantum Zeno dynamicsen_US
dc.subjectFrequent measurementsen_US
dc.subjectQuantum algorithmsen_US
dc.subjectOptimized evolutionen_US
dc.titleSuperactivating bound entanglement in quantum networks via quantum Zeno dynamics and a novel algorithm for optimized Zeno evolutionen_US
dc.typeArticleen_US

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