On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states

The inference of entangled quantum states by recourse to the maximum entropy (MaxEnt) principle is considered in connection with the recently pointed out problem of fake inferred entanglement (Horodecki R et al 1999 Phys. Rev. A 59 1799). We show that there are operators Â, both diagonal and non-dia...

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Detalles Bibliográficos
Autores principales: Batle, Josep, Casas, M., Plastino, Ángel Ricardo, Plastino, Ángel Luis
Formato: Articulo
Lenguaje:Inglés
Publicado: 2001
Materias:
Física
Quantum entanglement
Maximum entropy principle
Quantum information theory
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/129313
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-129313
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Quantum entanglement
Maximum entropy principle
Quantum information theory
spellingShingle Física
Quantum entanglement
Maximum entropy principle
Quantum information theory
Batle, Josep
Casas, M.
Plastino, Ángel Ricardo
Plastino, Ángel Luis
On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
topic_facet Física
Quantum entanglement
Maximum entropy principle
Quantum information theory
description The inference of entangled quantum states by recourse to the maximum entropy (MaxEnt) principle is considered in connection with the recently pointed out problem of fake inferred entanglement (Horodecki R et al 1999 Phys. Rev. A 59 1799). We show that there are operators Â, both diagonal and non-diagonal in the Bell basis, such that, when the expectation value  is taken as prior information, the problem of fake entanglement is not solved by adding a new constraint associated with the mean value of Â2 (unlike what happens when the partial information is given by the expectation value of a Bell operator). The fake entanglement generated by the MaxEnt principle is also studied quantitatively by comparing the entanglement of formation of the inferred state with that of the original one.
format Articulo
Articulo
author Batle, Josep
Casas, M.
Plastino, Ángel Ricardo
Plastino, Ángel Luis
author_facet Batle, Josep
Casas, M.
Plastino, Ángel Ricardo
Plastino, Ángel Luis
author_sort Batle, Josep
title On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
title_short On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
title_full On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
title_fullStr On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
title_full_unstemmed On the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
title_sort on the `fake' inferred entanglement associated with the maximum entropy inference of quantum states
publishDate 2001
url http://sedici.unlp.edu.ar/handle/10915/129313
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AT plastinoangelricardo onthefakeinferredentanglementassociatedwiththemaximumentropyinferenceofquantumstates
AT plastinoangelluis onthefakeinferredentanglementassociatedwiththemaximumentropyinferenceofquantumstates
bdutipo_str Repositorios
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