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电磁感应透明物理机制的解释
引用本文:曾志强,王玉平.电磁感应透明物理机制的解释[J].宜宾师范高等专科学校学报,2013(6):49-51.
作者姓名:曾志强  王玉平
作者单位:[1]宜宾学院计算物理四川省高校重点实验室,四川宜宾644007 [2]宜宾学院物理与电子工程学院,四川宜宾644007 [3]宜宾学院矿业与安全工程学院,四川宜宾644007
基金项目:四川省教育厅科研项目(13ZB0208)
摘    要:利用半经典理论,以A型三能级原子系统为例,研究了电磁感应透明的物理机制.通过暗态、缀饰态和密度矩阵方程三种理论,解释了当激光场与原子系统相互作用时,原子在光场诱导的跃迁通道间发生量子相干效应是出现电磁感应透明的原因.

关 键 词:量子光学  电磁感应透明  暗态  缀饰态  密度矩阵方程

Explanations of the Physics Mechanism on Electromagnetically Induced Transparency
ZENG Zhiqiang,WANG Yuping.Explanations of the Physics Mechanism on Electromagnetically Induced Transparency[J].Journal of Yibin Teachers College,2013(6):49-51.
Authors:ZENG Zhiqiang  WANG Yuping
Institution:1. Computational Physics Key Laboratory of Sichuan Province, Yibin University, Yibin 644007, China; 2. College of Physics and Electronic Engineering, Yibin University, Yibin 644007, China; 3. College of Mining and Safety Engineering, Yibin University, Yibin 644007, China)
Abstract:The physics mechanism of electromagnetically induced transparency in a A-type three-level atomic system was investiga-ted by means of the semiclassical theory. The electromagneticaUy induced transparency is an effect of quantum interference be-tween two laser-induced channels when the laser field interacts with an atom. The explanations of these phenomena are given by u- sing the dark state, the dressed states and the density-matrix equations.
Keywords:quantum optics  electromagnetically induced transparency  dark state  dressed states  density-matrix equations
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