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非旋波近似下两个二能级原子与单模光场相互作用的非经典性质
引用本文:万琳,刘三秋,陶向阳. 非旋波近似下两个二能级原子与单模光场相互作用的非经典性质[J]. 光子学报, 2001, 30(7): 784-790
作者姓名:万琳  刘三秋  陶向阳
作者单位:江西师范大学物理与通信电子学院,
摘    要:利用全量子理论,研究了非旋波近似下两个二能级原子与单模光场相互作用过程中光场所表现出的非经典性质,揭示了虚光子过程对场的平均光子数和二阶相干度的影响,并讨论了光场频率及原子间耦合系数的变化与场的平均光子数和二阶相干度的关系.

关 键 词:非旋波近似  平均光子数  二阶相干度  量子噪音
收稿时间:2000-12-08
修稿时间:2000-12-08

THE NONCLASSICAL PROPERTIES OF TWO TWO-LEVEL ATOMS INTERACTING WITH A SINGLE MODE LIGHT FIELD WITHOUT ROTATING WAVE APPROXIMATION
Wan Lin,Liu Sanqiu,Tao Xiangyang. THE NONCLASSICAL PROPERTIES OF TWO TWO-LEVEL ATOMS INTERACTING WITH A SINGLE MODE LIGHT FIELD WITHOUT ROTATING WAVE APPROXIMATION[J]. Acta Photonica Sinica, 2001, 30(7): 784-790
Authors:Wan Lin  Liu Sanqiu  Tao Xiangyang
Affiliation:Wan Lin,Liu Sanqiu,Tao Xiangyang Department of Physics,Jiangxi Normal University,Nanchang 330027
Abstract:In this paper,the nonclssical properties of two two level atoms interacting with a single mode light field is studied by means of the quantum theory without rotating wave approximation.The influences of the virtual photon process on the mean photon number and the degree of second order coherence of field are also discussed.The relations between the field frequency,the coupling constants of two atoms and the mean photon number,the degree of second order coherence of field are revealed.
Keywords:Without rotating wave approximation  Mean photon number  Degree of second order coherence  The quantum noise
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