Non-equilibrium entanglement in a driven many-body spin-boson model

Non-equilibrium entanglement in a driven many-body spin-boson model

We study the entanglement dynamics in the externally-driven single-mode Dicke model in the thermodynamic limit, when the field is in resonance with the atoms. We compute the correlations in the atoms-field ground state by means of the density operator that represents the pure state of the universe and the reduced density operator for the atoms, which results from taking the partial trace over the field coordinates. As a measure of bipartite entanglement, we calculate the linear entropy, from which we analyze the entanglement dynamics. In particular, we found a strong relation between the stability of the dynamical parameters and the reported entanglement.

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Main Authors: Bastidas, Víctor Manuel, Reina Estupiñán, John Henry, Brandes, Tobias
Format: Artículo científico biblioteca
Language:eng
Published: 2009
Subjects:Fluorescencia, Termodinámica, Propiedades de la materia, Química cuántica, > Átomos, Composición de la materia, Química física, Bioquímica analítica, Números cuánticos,
Online Access:https://repositorio.minciencias.gov.co/handle/20.500.14143/21663
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spelling dig-minciencias-co-20.500.14143-216632023-11-29T12:30:51Z Non-equilibrium entanglement in a driven many-body spin-boson model Bastidas, Víctor Manuel Reina Estupiñán, John Henry Brandes, Tobias Fluorescencia Termodinámica Propiedades de la materia Química cuántica -- Átomos Composición de la materia Química física Bioquímica analítica Números cuánticos We study the entanglement dynamics in the externally-driven single-mode Dicke model in the thermodynamic limit, when the field is in resonance with the atoms. We compute the correlations in the atoms-field ground state by means of the density operator that represents the pure state of the universe and the reduced density operator for the atoms, which results from taking the partial trace over the field coordinates. As a measure of bipartite entanglement, we calculate the linear entropy, from which we analyze the entanglement dynamics. In particular, we found a strong relation between the stability of the dynamical parameters and the reported entanglement. Departamento Administrativo de Ciencia, Tecnología e Innovación [CO] Colciencias 1106-452-21296 Control cuántico de las propiedades electrónicas y de espín en nanoestructuras inorgánicas, orgánicas y biológicas no 2018-08-06T17:50:59Z 2018-08-06T17:50:59Z 2009 info:eu-repo/date/embargoEnd/2024-01-31 Artículo científico info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article https://repositorio.minciencias.gov.co/handle/20.500.14143/21663 10.1088/1742-6596/167/1/012063 eng Control cuántico de las propiedades electrónicas y de espín en nanoestructuras inorgánicas, orgánicas y biológicas. La publicación completa está disponible en : <a href="http://repositorio.colciencias.gov.co:80/handle/11146/18424" target="blank">http://repositorio.colciencias.gov.co:80/handle/11146/18424</a> info:eu-repo/semantics/embargoedAccess pdf 5 páginas application/pdf Journal of Physics: Conference Series; Vol. 167, No. 1; pp. 1-5 Contiene 9 referencias bibliográficas. Véase el documento adjunto
institution MINCIENCIAS CO
collection DSpace
country Colombia
countrycode CO
component Bibliográfico
access En linea
databasecode dig-minciencias-co
tag biblioteca
region America del Sur
libraryname Centro de Documentación y Biblioteca de MINCIENCIAS de Colombia
language eng
topic Fluorescencia
Termodinámica
Propiedades de la materia
Química cuántica -- Átomos
Composición de la materia
Química física
Bioquímica analítica
Números cuánticos
Fluorescencia
Termodinámica
Propiedades de la materia
Química cuántica -- Átomos
Composición de la materia
Química física
Bioquímica analítica
Números cuánticos
spellingShingle Fluorescencia
Termodinámica
Propiedades de la materia
Química cuántica -- Átomos
Composición de la materia
Química física
Bioquímica analítica
Números cuánticos
Fluorescencia
Termodinámica
Propiedades de la materia
Química cuántica -- Átomos
Composición de la materia
Química física
Bioquímica analítica
Números cuánticos
Bastidas, Víctor Manuel
Reina Estupiñán, John Henry
Brandes, Tobias
Non-equilibrium entanglement in a driven many-body spin-boson model
description We study the entanglement dynamics in the externally-driven single-mode Dicke model in the thermodynamic limit, when the field is in resonance with the atoms. We compute the correlations in the atoms-field ground state by means of the density operator that represents the pure state of the universe and the reduced density operator for the atoms, which results from taking the partial trace over the field coordinates. As a measure of bipartite entanglement, we calculate the linear entropy, from which we analyze the entanglement dynamics. In particular, we found a strong relation between the stability of the dynamical parameters and the reported entanglement.
format Artículo científico
topic_facet Fluorescencia
Termodinámica
Propiedades de la materia
Química cuántica -- Átomos
Composición de la materia
Química física
Bioquímica analítica
Números cuánticos
author Bastidas, Víctor Manuel
Reina Estupiñán, John Henry
Brandes, Tobias
author_facet Bastidas, Víctor Manuel
Reina Estupiñán, John Henry
Brandes, Tobias
author_sort Bastidas, Víctor Manuel
title Non-equilibrium entanglement in a driven many-body spin-boson model
title_short Non-equilibrium entanglement in a driven many-body spin-boson model
title_full Non-equilibrium entanglement in a driven many-body spin-boson model
title_fullStr Non-equilibrium entanglement in a driven many-body spin-boson model
title_full_unstemmed Non-equilibrium entanglement in a driven many-body spin-boson model
title_sort non-equilibrium entanglement in a driven many-body spin-boson model
publishDate 2009
url https://repositorio.minciencias.gov.co/handle/20.500.14143/21663
work_keys_str_mv AT bastidasvictormanuel nonequilibriumentanglementinadrivenmanybodyspinbosonmodel
AT reinaestupinanjohnhenry nonequilibriumentanglementinadrivenmanybodyspinbosonmodel
AT brandestobias nonequilibriumentanglementinadrivenmanybodyspinbosonmodel
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