Abstract:
We construct measures for the non-Markovianity of quantum evolution with a physically meaningful interpretation. We first provide a general setting in the framework of channel capacities and propose two families of meaningful quantitative measures, based on the largest revival of a channel capacity, avoiding some drawbacks of other non-Markovianity measures. We relate the proposed measures to the task of information screening. This shows that the non-Markovianity of a quantum process may be used as a resource. Under these considerations, we analyze two paradigmatic examples, a qubit in a quantum environment with classically mixed dynamics and the Jaynes-Cummings model. © 2016 American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Measuring and using non-Markovianity |
Autor: | Pineda, C.; Gorin, T.; Davalos, D.; Wisniacki, D.A.; García-Mata, I. |
Filiación: | Instituto de Física, Universidad Nacional Autónoma de México, México, D.F., 01000, Mexico Departamento de Física, Universidad de Guadalajara, Guadalajara, Jalísco, 44840, Mexico Departamento de Física J. J. Giambiagi, IFIBA, FCEyN, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina Instituto de Investigaciones Físicas de Mar Del Plata (IFIMAR), CONICET-UNMdP, Mar del Plata, B7602AYL, Argentina Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)C1425FQB, Argentina
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Palabras clave: | Channel capacity; Jaynes-Cummings model; Information screening; Quantitative measures; Quantum evolution; Quantum process; Quantum theory |
Año: | 2016
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Volumen: | 93
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Número: | 2
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DOI: |
http://dx.doi.org/10.1103/PhysRevA.93.022117 |
Título revista: | Physical Review A
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Título revista abreviado: | Phys. Rev. A
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ISSN: | 24699926
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699926_v93_n2_p_Pineda |
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Citas:
---------- APA ----------
Pineda, C., Gorin, T., Davalos, D., Wisniacki, D.A. & García-Mata, I.
(2016)
. Measuring and using non-Markovianity. Physical Review A, 93(2).
http://dx.doi.org/10.1103/PhysRevA.93.022117---------- CHICAGO ----------
Pineda, C., Gorin, T., Davalos, D., Wisniacki, D.A., García-Mata, I.
"Measuring and using non-Markovianity"
. Physical Review A 93, no. 2
(2016).
http://dx.doi.org/10.1103/PhysRevA.93.022117---------- MLA ----------
Pineda, C., Gorin, T., Davalos, D., Wisniacki, D.A., García-Mata, I.
"Measuring and using non-Markovianity"
. Physical Review A, vol. 93, no. 2, 2016.
http://dx.doi.org/10.1103/PhysRevA.93.022117---------- VANCOUVER ----------
Pineda, C., Gorin, T., Davalos, D., Wisniacki, D.A., García-Mata, I. Measuring and using non-Markovianity. Phys. Rev. A. 2016;93(2).
http://dx.doi.org/10.1103/PhysRevA.93.022117