Efficient and operational quantifier of nondivisibility in terms of channel discrimination

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dc.contributor.authorNery, Ranieri Vieira
dc.contributor.authorBernardes, Nadja Kolb
dc.contributor.authorCavalcanti, Daniel
dc.contributor.authorAraújo, Rafael Chaves Souto
dc.contributor.authorDuarte, Cristhiano
dc.date.accessioned2025-04-22T19:33:19Z
dc.date.available2025-04-22T19:33:19Z
dc.date.issued2025-02-04
dc.description.resumoThe understanding of open quantum systems is crucial for the development of quantum technologies. Of particular relevance is the characterization of divisible quantum dynamics, seen as a generalization of Markovian processes to the quantum setting. Here, we propose a way to detect divisibility and quantify how nondivisible a quantum channel is through the concept of channel discrimination. We ask how well we can distinguish generic dynamics from divisible dynamics. We show that this question can be answered efficiently through semidefinite programming, which provides us with an operational and efficient way to quantify nondivisibilitypt_BR
dc.identifier.citationNERY, Ranieri Vieira; BERNARDES, Nadja Kolb; CAVALCANTI, Daniel; ARAUJO, Rafael Chaves Souto; DUARTE, Cristhiano. Efficient and operational quantifier of nondivisibility in terms of channel discrimination. Physical Review A, v. 111, p. 022206, 2025. DOI 10.1103/PhysRevA.111.022206. Disponível em: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.111.022206. Acesso em: 17 mar. 2025.pt_BR
dc.identifier.doi10.1103/PhysRevA.111.022206
dc.identifier.issne2469-9934
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/63504
dc.languageenpt_BR
dc.publisherPhysical Review Apt_BR
dc.subjectOpen quantum systems & decoherencept_BR
dc.subjectSistemas quânticos abertos e decoerênciapt_BR
dc.subjectQuantum formalismpt_BR
dc.subjectFormalismo quânticopt_BR
dc.subjectQuantum information theorypt_BR
dc.subjectTeoria da informação quânticapt_BR
dc.titleEfficient and operational quantifier of nondivisibility in terms of channel discriminationpt_BR
dc.typearticlept_BR

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