Nonclassical Correlations in a Three-Mode Continuous-Variable System
- Autores: Siyouri F.1, Ziane M.1, El Baz M.1, Hassouni Y.1
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Afiliações:
- Laboratoire de Physique Théorique, Département de Physique Faculté des Sciences, Université Mohammed V - Agdal
- Edição: Volume 38, Nº 1 (2017)
- Páginas: 27-36
- Seção: Article
- URL: https://journals.rcsi.science/1071-2836/article/view/248063
- DOI: https://doi.org/10.1007/s10946-017-9617-9
- ID: 248063
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Resumo
We investigate a standard measure of quantum discord for tripartite coherent states of the Greenberger–Horne–Zeilinger (GHZ) type. Furthermore, we check the monotonicity of a superquantum discord according to weak quantum measurements. We accomplish our study by manipulating the amount of quantum information lost during the perturbation of the quantum system and controlling the measurement strength. In addition, we calculate the entanglement of the system under study. Finally we compare the behavior of the three correlations.
Sobre autores
F. Siyouri
Laboratoire de Physique Théorique, Département de Physique Faculté des Sciences, Université Mohammed V - Agdal
Autor responsável pela correspondência
Email: fatimazahra.siyouri@gmail.com
Marrocos, Av. Ibn Battouta, Agdal, Rabat, B.P. 1014
M. Ziane
Laboratoire de Physique Théorique, Département de Physique Faculté des Sciences, Université Mohammed V - Agdal
Email: fatimazahra.siyouri@gmail.com
Marrocos, Av. Ibn Battouta, Agdal, Rabat, B.P. 1014
M. El Baz
Laboratoire de Physique Théorique, Département de Physique Faculté des Sciences, Université Mohammed V - Agdal
Email: fatimazahra.siyouri@gmail.com
Marrocos, Av. Ibn Battouta, Agdal, Rabat, B.P. 1014
Y. Hassouni
Laboratoire de Physique Théorique, Département de Physique Faculté des Sciences, Université Mohammed V - Agdal
Email: fatimazahra.siyouri@gmail.com
Marrocos, Av. Ibn Battouta, Agdal, Rabat, B.P. 1014