Observational-interventional Bell inequalities

dc.contributor.authorPoderini, Davide
dc.contributor.authorNery, Ranieri Vieira
dc.contributor.authorMoreno Filho, Marcos George Magalhães
dc.contributor.authorZamora, Santiago
dc.contributor.authorLauand, Pedro
dc.contributor.authorAraújo, Rafael Chaves Souto
dc.date.accessioned2025-04-22T20:14:43Z
dc.date.available2025-04-22T20:14:43Z
dc.date.issued2024-10-21
dc.description.resumoGeneralizations of Bell's theorem, particularly within quantum networks, are now being analyzed through the lens of causal inference. However, the exploration of interventions, a central concept in causality theory, remains significantly unexplored. In this work, we take an initial step in this direction, by analyzing the instrumental scenario and proposing hybrid Bell inequalities integrating observational and interventional data. Focusing on binary outcomes with any number of inputs, we obtain the complete characterization of the observational-interventional polytope, equivalent to a Hardy-like Bell inequality, albeit describing a distinct quantum experiment. To illustrate its applications, we show a significant enhancement regarding threshold detection efficiencies for quantum violations also showing the use of this hybrid approach in quantum steering scenariospt_BR
dc.identifier.citationPODERINI, Davide; NERY, Ranieri Vieira; MORENO FILHO, Marcos George Magalhães; ZAMORA, Santiago; LAUAND, Pedro; ARAUJO, Rafael Chaves Souto. Observational-interventional Bell inequalities. Physical Review A, v. 110, p. 042213, 2024. DOI 10.1103/PhysRevA.110.042213. Disponível em: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.110.042213. Acesso em: 17 mar. 2025.pt_BR
dc.identifier.doi10.1103/PhysRevA.110.042213
dc.identifier.issne2469-9934
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/63508
dc.languageenpt_BR
dc.publisherPhysical Review Apt_BR
dc.subjectQuantum communicationpt_BR
dc.subjectComunicação quânticapt_BR
dc.subjectQuantum foundationspt_BR
dc.subjectFundações quânticaspt_BR
dc.subjectQuantum information theorypt_BR
dc.subjectTeoria da informação quânticapt_BR
dc.subjectQuantum networkspt_BR
dc.subjectRedes quânticaspt_BR
dc.titleObservational-interventional Bell inequalitiespt_BR
dc.typearticlept_BR

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