The Population Inversion and the Entropy of a Moving Two-Level Atom in Interaction with a Quantized Field

被引：0
|
作者：
D. A. M. Abo-Kahla
M. Abdel-Aty
A. Farouk
机构：
[1] Taibah University,Department of Mathematics, Faculty of Science
[2] Ain Shams University,Department of Mathematics, Faculty of Education
[3] Applied Science University,Deanship of Scientific Research and Graduate Studies
[4] Sohag University,Department of Physics and Computer Science, Faculty of Science
[5] Wilfrid Laurier University,undefined
来源：
International Journal of Theoretical Physics | 2018年 / 57卷
关键词：
Quantum information; Thermal state; Entropy;
D O I：
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中图分类号：
学科分类号：
摘要：
An atom with only two energy eigenvalues is described by a two-dimensional state space spanned by the two energy eigenstates is called a two-level atom. We consider the interaction between a two-level atom system with a constant velocity. An analytic solution of the systems which interacts with a quantized field is provided. Furthermore, the significant effect of the temperature on the atomic inversion, the purity and the information entropy are discussed in case of the initial state either an exited state or a maximally mixed state. Additionally, the effect of the half wavelengths number of the field-mode is investigated.
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页码：2319 / 2329
页数：10
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