279 citations
- North South UniversityBD5 papers
- King Saud UniversitySA4 papers
- Sohag UniversityEG3 papers
- The Abdus Salam International Centre for Theoretical Physics (ICTP)IT3 papers
- University of SfaxTN3 papers
- Centre National de la Recherche ScientifiqueFR2 papers
- Jouf UniversitySA2 papers
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4 papers · 1 filter
Nonlocal correlations for manifold quantum systems: Entanglement of two-spin states
K. Berrada, A. Mohammadzade, S. Abdel-Khalek +2
In this paper, we study the bipartite entanglement of spin coherent states in the case of pure and mixed states. By a proper choice of the subsystem spins, the entanglement for lar…
Quantum correlations between each qubit in a two-atom system and the environment in terms of interatomic distance
K. Berrada, F. F. Fanchini, S. Abdel-Khalek
The quantum correlations between a qubit and its environment are described quantitatively in terms of interatomic distance. Specifically, considering a realistic system of two two-…
Entanglement Sudden Death and Sudden Birth in Semiconductor Microcavities
S. Abdel-Khalek, Sh. Barzanjeh, H. Eleuch
We explore the dynamics of the entanglement in a semiconductor cavity QED containing a quantum well. We show the presence of sudden birth and sudden death for some particular sets…
Geometric phase of a moving three-level atom
S. Abdel-Khalek, Y. S. El-Saman, M. Abdel-Aty
In this paper, we investigate the geometric phase of the field interacting with -type moving three-level atom. The results show that the atomic motion and the field-mode structu…