Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Abdallah Slaoui"'
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Akademický článek
Quantum teleportation and dynamics of quantum coherence and metrological non-classical correlations for open two-qubit systems
Autor: Yassine Dakir, Abdallah Slaoui, Abdel-Baset A. Mohamed, Rachid Ahl Laamara, Hichem Eleuch
Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-18 (2023)
Abstract We investigate the dynamics of non-classical correlations and quantum coherence in open quantum systems by employing metrics like local quantum Fisher information, local quantum uncertainty, and quantum Jensen-Shannon divergence. Our focus h
Externí odkaz: https://doaj.org/article/388eb0b330ac41b9a9e7e61e93a9f430
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4
Estimating phase parameters of a three-level system interacting with two classical monochromatic fields in simultaneous and individual metrological strategies
Autor: Nour-Eddine Abouelkhir, Abdallah Slaoui, Hanane El Hadfi, Rachid Ahl Laamara
Publikováno v: Journal of the Optical Society of America B. 40:1599
Recently, the Hilbert–Schmidt speed, as a special class of quantum statistical speed, has been reported to improve interferometric phase in a single-parameter quantum estimation. Here, we test this concept in the multiparameter scenario where two l
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54f0eb52153f49460c0f490eda03ad10
https://doi.org/10.1364/josab.487744
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5
Improving the probabilistic quantum teleportation efficiency of arbitrary superposed coherent state using multipartite even and odd j-spin coherent states as resource
Autor: Meryem El Kirdi, Abdallah Slaoui, Hanane El Hadfi, Mohammed Daoud
Quantum teleportation is one of the most important techniques for quantum information secure transmission. Using preshared entanglement, quantum teleportation is designed as a basic key in many quantum information tasks and features prominently in qu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::724e6544fd127ee83ec29a95ace8ebd0
http://arxiv.org/abs/2202.08591
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6
Enhancing the performance of coupled quantum Otto thermal machines without entanglement and quantum correlations
Autor: Abdelkader El Makouri, Abdallah Slaoui, Mohammed Daoud
We start with a revision study of two coupled spin-$1/2$ under the influence of Kaplan-Shekhtman-Entin-Wohlman-Aharony (KSEA) interaction and a magnetic field. We first show the role of idle levels, i.e., levels that do not couple to the external mag
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d2d5ad833616051a499e5ac7f163343
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7
Enhancing the estimation precision of an unknown phase shift in multipartite Glauber coherent states via skew information correlations and local quantum Fisher information
Autor: Mehdi El Bakraoui, Abdallah Slaoui, Hanane El Hadfi, Mohammed Daoud
Local quantum uncertainty (LQU) and local quantum Fisher information (LQFI) are both two tools used to capture purely quantum correlations in multi-partite quantum systems. In this paper, we study these quantifiers in the case of multipartite Glauber
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a0f7d73e290d146df7e1476bc923c05
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8
Quantum discord based on linear entropy and thermal negativity of qutrit–qubit mixed spin chain under the influence of external magnetic field
Autor: Mohammed Daoud, Abdallah Slaoui, Fadwa Benabdallah
Publikováno v: Quantum Information Processing. 19
We propose a reliable analytical method to evaluate the non-classical correlations based on linear entropy for an arbitrary qudit–qubit quantum state. The linear entropy is used to overcome the difficulty of the maximization of the classical correl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc141c3bd216350697fbd6e4ef32d244
https://doi.org/10.1007/s11128-020-02754-x
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9
Phonon-mediated quantum discord in dark solitons
Autor: Abdallah Slaoui, Hugo Terças, Mohammed Daoud, Muzzamal I. Shaukat
Publikováno v: The European Physical Journal Plus. 135
We investigate the quantum correlation dynamics in dark-soliton qubits with a special attention to quantum discord. Recently, dark-soliton qubit exhibiting appreciably long lifetime is proved to be an excellent candidate for information processing. D
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::436e6a6b3c5b4becaeb28e8491d87a5a
https://doi.org/10.1140/epjp/s13360-020-00373-0
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10
Influence of Stark-shift on quantum coherence and non-classical correlations for two two-level atoms interacting with a single-mode cavity field
Autor: Mohammed Daoud, Abdallah Slaoui, Ahmed Salah
An exact analytic solution for two two-level atoms coupled with a multi-photon single-mode electromagnetic cavity field in the presence of the Stark shift is derived. We assume that the field is initially prepared in a coherent state and the two atom
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92f1ff93bd7c37854a7caefffb4e5211
http://arxiv.org/abs/2003.11338
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