| 二项式光场与级联三能级原子的量子纠缠 |
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| 引用本文： | 胡要花,方卯发,廖湘萍,郑小娟. 二项式光场与级联三能级原子的量子纠缠[J]. 物理学报, 2006, 55(9): 4631-4637 |
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| 作者姓名： | 胡要花 方卯发 廖湘萍 郑小娟 |
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| 作者单位： | 湖南师范大学物理与信息科学学院,长沙 410081 |
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| 摘 要： | 利用量子熵理论，研究了二项式光场与级联三能级原子的量子纠缠，讨论了光场与原子的初始参量对其量子纠缠性质的影响.结果表明，利用二项式光场的特性，可以揭示从相干态到数态之间的所有态光场与三能级原子相互作用时的量子纠缠性质.选择适当的系统参数可以制备稳定的光场-原子qutrit纠缠态.关键词：二项式光场级联三能级原子光场熵量子纠缠
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| 关 键 词： | 二项式光场 级联三能级原子 光场熵 量子纠缠 |
| 文章编号： | 1000-3290/2006/55(09)/4631-07 |
| 收稿时间： | 2005-12-11 |
| 修稿时间： | 2005-12-112005-12-28 |
Quantum entanglement of the binomial field interacting with a cascade three-level atom |
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| Hu Yao-Hua,Fang Mao-Fa,Liao Xiang-Ping,Zheng Xiao-Juan. Quantum entanglement of the binomial field interacting with a cascade three-level atom[J]. Acta Physica Sinica, 2006, 55(9): 4631-4637 |
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| Authors: | Hu Yao-Hua Fang Mao-Fa Liao Xiang-Ping Zheng Xiao-Juan |
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| Affiliation: | College of Physics and Information Science, Hunan Normal University, Changsha 410081, China |
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| Abstract: | Quantum entanglement between a binomial field and a cascade three level atom is studied by using quantum entropy theory, and the influences of the initial state parameters of the field and the atom on the quantum entanglement are discussed. The results show that quantum entanglement of all states from the coherent state to number state interacting with a cascade three level atom can be displayed by using the binomial field property. Steady field-atom qutrit entanglement state can be prepared via the appropriate selection of system parameters. |
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| Keywords: | binomial state field cascade three level atom field entropy quantum entanglement |
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