Dependence of Entanglement in a System of a Three-level Atom Interacting with a Non-correlated Two-mode Cavity Field on the Three-level Configuration

被引：0
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作者：
Eied, A.A. [1 ,2 ]
机构：
[1] Mathematics Department, College of Science and Humanities, Shaqra University, Shaqra, Saudi Arabia
[2] Mathematics Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo,11884, Egypt
来源：
Nonlinear Optics Quantum Optics | 2020年 / 52卷 / 3-4期
关键词：
Atoms - Quantum entanglement;
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摘要：
We investigate the evolution of the atomic quantum entropy and the atom-field entanglement in a system of an atom with three levels in a different-configuration (and V) interacting with a non-correlated two-mode cavity field.With the derivation of the unitary operator within the frame of the dressed state and the exact results for the state of the system we perform a careful investigation of the temporal evolution of the von Neumann entropy as a measure of entanglement. The differences in entanglement degree between the three configurations besides the effects of the mean photon number and detuning on the entropy are discussed, considering the fields to be initially in a coherent state. © 2020 Old City Publishing. All rights reserved.
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页码：281 / 297
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