Dynamics of Entanglement between Moving Four-Level Atom and Single Mode Cavity Field |
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Authors: | S Abdel-Khalek and N H Abdel-Wahab |
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Abstract: | In this paper we are interested in studying the entanglement between a single four-level ladder-type atom interacting with
one-mode cavity field when the atomic motion is taken into account. The exact solution of the model is obtained by using Schrodinger
equation for a specific initial conditions. The field entropy of this system is investigated in the non-resonant case. The
effects of the detuning parameter and the atomic motion on the entanglement degree are examined. These investigations show
that both of the detuning and the atomic motion play important roles in the evolution of the von Neumann entropy and atomic
populations. Finally, conclusions and some features are given. |
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