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The geometric phase of a two-level atom in a narrow-bandwidth squeezed vacuum |
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| Authors: | A-SF Obada S Abdel-Khalek DAM Abo-Kahla |
| Institution: | 1. Department of Mathematics, Faculty of Science, Al-azhar University, Nasr City, Cairo, Egypt;2. Mathematics Department, Faculty of Science, Sohag University, Sohag, Egypt;3. Mathematics Department, Faculty of Science, Taif University, Taif, Saudi Arabia;4. Department of Mathematics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt |
| Abstract: | In this paper, we derive the time dependent solution of the effective master equation for the reduced density matrix operator of a two level atom driven by a coherent laser field and damped by a finite bandwidth squeezed vacuum. The results show that the initial state setting, detuning parameter and Rabi frequency play important roles in the evolution of the system dynamics and geometric phase. We present a useful way for controlling the geometric phase variation for the system under consideration. |
| Keywords: | Geometric phase Squeezed vacuum Coherent laser field Detuning parameter Rabi frequency |
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