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Artículo
Quantum key distribution in the Holevo limit
dc.creator | Cabello Quintero, Adán | es |
dc.date.accessioned | 2024-01-15T08:05:40Z | |
dc.date.available | 2024-01-15T08:05:40Z | |
dc.date.issued | 2000-12-25 | |
dc.identifier.citation | Cabello Quintero, A. (2000). Quantum key distribution in the Holevo limit. Physical Review Letters, 85 (26), 5635-5638. https://doi.org/10.1103/PhysRevLett.85.5635. | |
dc.identifier.issn | 0031-9007 | es |
dc.identifier.issn | 1079-7114 | es |
dc.identifier.uri | https://hdl.handle.net/11441/153343 | |
dc.description.abstract | A theorem by Shannon and the Holevo theorem impose that the efficiency of any protocol for quantum key distribution, E , defined as the number of secret (i.e., allowing eavesdropping detection) bits per transmitted bit plus qubit, is E ≤ 1. The problem addressed here is whether the limit E = 1 can be achieved. It is showed that it can be done by splitting the secret bits between several qubits and forcing Eve to have only a sequential access to the qubits, as proposed by Goldenberg and Vaidman. A protocol with E = 1 based on polarized photons and in which Bob's state discrimination can be implemented with linear optical elements is presented. | es |
dc.format | application/pdf | es |
dc.format.extent | 4 p. | es |
dc.language.iso | eng | es |
dc.publisher | American Physical Society | es |
dc.relation.ispartof | Physical Review Letters, 85 (26), 5635-5638. | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Quantum key | es |
dc.subject | Holevo limit | es |
dc.title | Quantum key distribution in the Holevo limit | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Física Aplicada II | es |
dc.relation.projectID | OGICYT-191-97 | es |
dc.relation.projectID | FQM-239 | es |
dc.relation.publisherversion | https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.85.5635 | es |
dc.identifier.doi | 10.1103/PhysRevLett.85.5635 | es |
dc.contributor.group | Universidad de Sevilla. FQM239: Fundamentos de Mecánica Cuántica | es |
dc.journaltitle | Physical Review Letters | es |
dc.publication.volumen | 85 | es |
dc.publication.issue | 26 | es |
dc.publication.initialPage | 5635 | es |
dc.publication.endPage | 5638 | es |
dc.contributor.funder | Universidad de Sevilla | es |
dc.contributor.funder | Junta de Andalucía | es |
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Quantum key distribution in the ... | 80.50Kb | [PDF] | Ver/ | |