Bipartite entanglement in fermion systems

cic.isFulltexttruees
cic.isPeerReviewedtruees
cic.lugarDesarrolloUniversidad Nacional de La Plataes
cic.versioninfo:eu-repo/semantics/acceptedVersiones
dc.date.accessioned2019-05-17T15:09:45Z
dc.date.available2019-05-17T15:09:45Z
dc.identifier.urihttps://digital.cic.gba.gob.ar/handle/11746/9984
dc.titleBipartite entanglement in fermion systemsen
dc.typeArtículoes
dcterms.abstractWe discuss the relation between fermion entanglement and bipartite entanglement. We first show that an exact correspondence between them arises when the states are constrained to have a definite local number parity. Moreover, for arbitrary states in a four dimensional single-particle Hilbert space, the fermion entanglement is shown to measure the entanglement between two distinguishable qubits defined by a suitable partition of this space. Such entanglement can be used as a resource for tasks like quantum teleportation. On the other hand, this fermionic entanglement provides a lower bound to the entanglement of an arbitrary bipartition although in this case the local states involved will generally have different number parities. Finally the fermionic implementation of the teleportation and superdense coding protocols based on qubits with odd and even number parity is discussed, together with the role of the previous types of entanglement.en
dcterms.creator.authorGigena, Nicolás Alejandroes
dcterms.creator.authorRossignoli, Raúl Dantees
dcterms.extent10 p.es
dcterms.identifier.otherdoi:10.1103/PhysRevA.95.062320es
dcterms.identifier.urlRecurso onlinees
dcterms.isPartOf.issuevol. 95es
dcterms.isPartOf.seriesPhysical Review Aes
dcterms.issued2017-06
dcterms.languageIngléses
dcterms.licenseAttribution-NonCommercial-NoDerivatives 4.0 Internacionales
dcterms.subjectquantum entanglementen
dcterms.subjectfermion systemsen
dcterms.subject.materiaCiencias Físicases

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