Observational-interventional Bell inequalities
dc.contributor.author | Poderini, Davide | |
dc.contributor.author | Nery, Ranieri Vieira | |
dc.contributor.author | Moreno Filho, Marcos George Magalhães | |
dc.contributor.author | Zamora, Santiago | |
dc.contributor.author | Lauand, Pedro | |
dc.contributor.author | Araújo, Rafael Chaves Souto | |
dc.date.accessioned | 2025-04-22T20:14:43Z | |
dc.date.available | 2025-04-22T20:14:43Z | |
dc.date.issued | 2024-10-21 | |
dc.description.resumo | Generalizations 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 scenarios | pt_BR |
dc.identifier.citation | PODERINI, 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.doi | 10.1103/PhysRevA.110.042213 | |
dc.identifier.issn | e2469-9934 | |
dc.identifier.uri | https://repositorio.ufrn.br/handle/123456789/63508 | |
dc.language | en | pt_BR |
dc.publisher | Physical Review A | pt_BR |
dc.subject | Quantum communication | pt_BR |
dc.subject | Comunicação quântica | pt_BR |
dc.subject | Quantum foundations | pt_BR |
dc.subject | Fundações quânticas | pt_BR |
dc.subject | Quantum information theory | pt_BR |
dc.subject | Teoria da informação quântica | pt_BR |
dc.subject | Quantum networks | pt_BR |
dc.subject | Redes quânticas | pt_BR |
dc.title | Observational-interventional Bell inequalities | pt_BR |
dc.type | article | pt_BR |
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