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5 papers · 2 filters
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…
Two atoms in dissipative cavities in dispersive limit: entanglement sudden death and long-lived entanglement
Jian-Song Zhang, Ai-Xi Chen, M. Abdel-Aty
We investigate the entanglement dynamics and coherence of two two-level atoms interacting with two coherent fields of two spatially separated and dissipative cavities. It is in par…
Cavity QED nondemolition measurement scheme using quantized atomic motion
Jonas Larson, Mahmoud Abdel-Aty
Considering ultracold atoms traversing a high-Q Fabry-Perot cavity, we theoretically demonstrate a quantum nondemolition measurement of the photon number. This fully quantum mechan…
Delayed creation of entanglement in superconducting qubits interacting with a microwave field
M. Abdel-Aty, M. Everitt
We explore the role played by the intrinsic decoherence in superconducting charge qubits in the presence of a microwave field applied as a magnetic flux. We study how the delayed c…
Berry phase in superconducting charge qubits interacting with a cavity field
Mahmoud Abdel-Aty
We propose a method for analyzing Berry phase for a multi-qubit system of superconducting charge qubits interacting with a microwave field. By suitably choosing the system paramete…