| 双模SU(1,1)相干态场与四能级原子相互作用的量子动力学 |
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| 引用本文： | 钟淑英,屈元举,谢芳森.双模SU(1,1)相干态场与四能级原子相互作用的量子动力学[J].四川激光,2009,30(1). |
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| 作者姓名： | 钟淑英 屈元举 谢芳森 |
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| 作者单位： | 江西师范大学物理与通信电子学院,江西南昌,330022
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| 基金项目： | 江西师大青年成长基金 |
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| 摘 要： | 利用全量子理论导出了双模SU(1,1)相干态场与四能级原子相互作用系统的态函数,研究了双模SU(1,1)相干态场与四能级原子相互作用中光场的互关联函数、Cauchy-Schwartz不等式及二阶相干性质.讨论了光场与原于间耦合系数和初始光场强度对光场量子动力学特性的影响.数值计算结果表明:光场光子的统汁性质依赖于系统的初始状态,光场两模之间总是呈现止相关,而且是非经典相关,光场第一模光子总是呈现反聚束效应,第二模光子交替呈现聚束和反聚束效应.
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| 关 键 词： | 双模SU(1 1)相干态场 四能级原子 Cauchy-Schwartz不等式 双模互关联函数 二阶相干度 |
The quantum dynamics of two-mode SU(1,1) coherent state interacting with a four-level atom |
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| ZHONG Shu-ying,QU Yuan-ju XIE Fang-sen.The quantum dynamics of two-mode SU(1,1) coherent state interacting with a four-level atom[J].Laser Journal,2009,30(1). |
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| Authors: | ZHONG Shu-ying QU Yuan-ju XIE Fang-sen |
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| Affiliation: | Institute of Physics and Communication & Electronics;Jiangxi Normal University;Nanchang 330022;China |
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| Abstract: | The state function of the two-mode SU(1,1) coherent states field interacting with a four-level atom is derived by means of quantum theory.It is studied that the two-mode intensity correlation function,the Cauchy-Schwartz inequality and the second-order coherence properties for each mode of the light field in the system of the two-mode SU(1,1) coherent states field interacting with four-level atom.It is discussed that the influence of the coupling coefficient between the light field and atom and the initial ... |
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