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dc.contributor.author
Hamadou Ibrahim, A.
dc.contributor.author
Plastino, Ángel Ricardo
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dc.contributor.author
Zander, C.
dc.date.available
2023-04-10T13:50:39Z
dc.date.issued
2010-01
dc.identifier.citation
Hamadou Ibrahim, A.; Plastino, Ángel Ricardo; Zander, C.; Some entanglement features exhibited by two, three and four qubits interacting with an environment in a non-Markovian regime; IOP Publishing; Journal of Physics A: Mathematical and Theoretical; 43; 5; 1-2010; 55305-5530518
dc.identifier.issn
1751-8113
dc.identifier.uri
http://hdl.handle.net/11336/193030
dc.description.abstract
We explore various aspects of the quantum entanglement dynamics of systems of two, three and four qubits interacting with an environment at zero temperature in a non-Markovian regime, as described by the paradigmatic model recently studied by Bellomo et al (2007 Phys. Rev. Lett. 99 160502). We consider important families of initial states for the alluded systems. The average, typical entanglement evolution associated with each of these families is determined, and its relation with the evolution of the global degree of mixedness of the multi-qubit system is explored. For three and four qubits we consider the family of initial states equivalent under local unitary transformations to the |GHZ〉 and |W〉 states, and compare their average behavior with the average behavior exhibited by initial maximally entangled two-qubit states. Furthermore, in the case of two qubits, the evolution of other manifestations of entanglement, related to measurable quantities, is also investigated. In particular, we consider the Mintert-Buchleitner concurrence lower bound and an entanglement indicator based upon the violation of local uncertainty relations.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ENTANGLEMENT DYNAMICS
dc.subject
NON-MARKOVIAN DYNAMICS
dc.subject.classification
Otras Ciencias Físicas
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Some entanglement features exhibited by two, three and four qubits interacting with an environment in a non-Markovian regime
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-04-10T10:23:39Z
dc.journal.volume
43
dc.journal.number
5
dc.journal.pagination
55305-5530518
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Hamadou Ibrahim, A.. University of Pretoria; Sudáfrica
dc.description.fil
Fil: Plastino, Ángel Ricardo. Universidad de Granada; España. Universidad Nacional de La Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
dc.description.fil
Fil: Zander, C.. University of Pretoria; Sudáfrica
dc.journal.title
Journal of Physics A: Mathematical and Theoretical
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.1088/1751-8113/43/5/055305
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/1751-8113/43/5/055305
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