| SU(1,1)场与Λ型三能级原子非共振相互作用的量子动力学 |
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| 引用本文： | 谢芳森,刘小青,陈明玉.SU(1,1)场与Λ型三能级原子非共振相互作用的量子动力学[J].量子电子学报,2003,20(1):73-79. |
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| 作者姓名： | 谢芳森 刘小青 陈明玉 |
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| 作者单位： | 1. 江西师范大学物理与通信电子学院,南昌,330027
2. 江西师范大学物理与通信电子学院,南昌,330027;南昌陆军学院物理教研室,南昌,330103 |
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| 摘 要： | 研究了Kerr介质中双模SU（1，1）相干态场与Λ型三能级原子非共振相互作用系统中场模失谐量、克尔介质以及原子初态对原子布居概率和场的Cauchy-Schwartz不等式的影响。结果表明：失谐量将延长原子Rabi振荡崩塌与复苏的周期，并使两模关联趋于恒宇的非经典相关；Kerr效应将增强光场的非经典相关的稳定性，缩短原子Rabi振荡崩塌与复苏的周期；原子初始状态明显影响两模间的非经典相关程度，而对原子布居概率的影响不明显。
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| 关 键 词： | SU（1 1）相干态场 Λ型三能级原子 Kerr介质 Cauchy－Schwartz不等式 量子光学 |
| 文章编号： | 1007-5461(2003)01-0073-07 |
| 收稿时间： | 2002/5/8 |
| 修稿时间： | 2002年5月8日 |
Quantum Dynamics of SU(1,1) Coherent States Interacting Non-resonantly with a Λ-type Three-level Atom |
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| Abstract: | The influences of detuning, Kerr medium and initial atomic coherence on the atomic population and Cauchy-Schwartz inequality in the system of SU(1,1) coherent states interacting non-resonantly with a A-type three-level atom with Kerr medium are investigated. The results show that the detuning lengthens the cycle of collapse-and-reclairn of the atomic Rabi oscillation and induces steady nonclassical correlation. Kerr effects make the nonclassical correlation properties steady and shorten the cycle of collapse-and-revival of the atomic Rabi oscillation. The initial atomic coherence affects obviously on the nonclassical coherence degree between the two mode cavities, while the influence on the atomic population is not evident. |
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| Keywords: | SU(1 1)conherent states Λ-type Three-level Atom Kerr-like medium Cauchy-Schwartz inequality |
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