| 原子-腔-光纤复合系统中的纠缠特性 |
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| 引用本文： | 卢道明.原子-腔-光纤复合系统中的纠缠特性[J].光子学报,2011(9):1386-1391. |
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| 作者姓名： | 卢道明 |
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| 作者单位： | 武夷学院电子工程系; |
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| 基金项目： | The Natural Science Foundation of Fujian Province(No.2011J01018) |
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| 摘 要： | 采用Negativity熵来描述两子系统间的纠缠,研究了由两个二能级原子与光纤联接的单模腔构成的系统的纠缠特性.利用数值计算方法讨论了原子与腔场的耦合强度和原子选择性测量对纠缠特性的影响.研究结果表明:对一个原子的选择性测量,可增强原子间与腔场间和腔场与腔场间的纠缠.
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| 关 键 词： | 量子光学 原子-腔-光纤复合系统 选择原子测量 量子纠缠 |
Entanglement Properties in the System of Two Atoms Trapped in Two Distant Cavities Connected by an Optical Fiber |
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| LU Dao-ming.Entanglement Properties in the System of Two Atoms Trapped in Two Distant Cavities Connected by an Optical Fiber[J].Acta Photonica Sinica,2011(9):1386-1391. |
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| Authors: | LU Dao-ming |
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| Institution: | LU Dao-ming(Department of Electronic Engineering,Wuyi University,Wuyishan,Fujian 354300,China) |
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| Abstract: | Two two-level atoms are separated in two initially empty cavities that are connected by an optical fiber.The temporal evolution in the entanglement between the cavities as well as between the atom and the local cavity mode were investigated.The influence of the state-selective measurement on the entanglement and that of atom-cavity coupling coefficient on the entanglement were discussed.The results show that the entanglement between the cavities as well as between the atom and the local cavity mode can be s... |
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| Keywords: | Quantum optics Atom-cavity-fiber compound system Selective atomic measurement Quantum entanglement |
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