Preparing multipartite entangled spin qubits via pauli spin blockade

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dc.authorid0000-0003-4106-0301
dc.authorid0000-0002-5872-9158
dc.authorid0000-0002-9887-3509
dc.authorid0000-0002-3740-3896
dc.contributor.authorBuğu, Sinanen_US
dc.contributor.authorÖzaydın, Fatihen_US
dc.contributor.authorFerrus, Thierryen_US
dc.contributor.authorKodera, Tetsuoen_US
dc.date.accessioned2020-03-23T11:55:37Z
dc.date.available2020-03-23T11:55:37Z
dc.date.issued2020-02-26
dc.departmentIşık Üniversitesi, Fen Edebiyat Fakültesi, Enformasyon Teknolojileri Bölümüen_US
dc.departmentIşık University, Faculty of Arts and Sciences, Department of Information Technologiesen_US
dc.description.abstractPreparing large-scale multi-partite entangled states of quantum bits in each physical form such as photons, atoms or electrons for each specific application area is a fundamental issue in quantum science and technologies. Here, we propose a setup based on Pauli spin blockade (PSB) for the preparation of large-scale W states of electrons in a double quantum dot (DQD). Within the proposed scheme, two W states of n and m electrons respectively can be fused by allowing each W state to transfer a single electron to each quantum dot. The presence or absence of PSB then determines whether the two states have fused or not, leading to the creation of a W state of n + m ? 2 electrons in the successful case. Contrary to previous works based on quantum dots or nitrogen-vacancy centers in diamond, our proposal does not require any photon assistance. Therefore the ‘complex’ integration and tuning of an optical cavity is not a necessary prerequisite. We also show how to improve the success rate in our setup. Because requirements are based on currently available technology and well-known sensing techniques, our scheme can directly contribute to the advances in quantum technologies and, in particular in solid state systems.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationBuğu, S., Özaydın, F., Ferrus, T. & Kodera, T. (2020). Preparing multipartite entangled spin qubits via pauli spin blockade. Scientific Reports, 10(1), 1-8. doi:10.1038/s41598-020-60299-6en_US
dc.identifier.doi10.1038/s41598-020-60299-6
dc.identifier.endpage8
dc.identifier.issn2045-2322
dc.identifier.issue1
dc.identifier.pmid32103078
dc.identifier.scopus2-s2.0-85080084009
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/11729/2285
dc.identifier.urihttp://dx.doi.org/10.1038/s41598-020-60299-6
dc.identifier.volume10
dc.identifier.wosWOS:000563209800018
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.institutionauthorÖzaydın, Fatihen_US
dc.institutionauthorid0000-0002-5872-9158
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherNature Researchen_US
dc.relation.ispartofScientific Reportsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCharge noiseen_US
dc.subjectSemiconductor quantum dotsen_US
dc.subjectQuantum dotsen_US
dc.titlePreparing multipartite entangled spin qubits via pauli spin blockadeen_US
dc.typeArticleen_US
dspace.entity.typePublication

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