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5 papers · 1 filter
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…
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…
Squeezing evolution with non-dissipative SU(1,1) systems
Faisal A. A. El-Orany, S. S. Hassan, M. Sebawe Abdalla
We investigate the squeezed regions in the phase plane for non-dissipative dynamical systems controlled by SU(1,1) Lie algebra. We analyze such study for the two SU(1,1) generalize…
Abrupt and gradual changes of information through the Kane solid state computer
N. Metwally
The susceptibility of the transformed information to the filed and system parameters is investigated for the Kane solid state computer. It has been shown, that the field polarizati…
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…