| 自发辐射耗散系统中相干控制的纠缠动力学特性 |
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| 引用本文： | 廖湘萍,方见树,黄 仲. 自发辐射耗散系统中相干控制的纠缠动力学特性[J]. 湖南工业大学学报, 2010, 24(5): 14-19 |
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| 作者姓名： | 廖湘萍 方见树 黄 仲 |
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| 作者单位： | 湖南工业大学理学院,湖南,株洲,412007 |
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| 基金项目： | 湖南省教育厅基金资助重点项目（10A026 和 08A015），湖南省自然科学基金资助项目（10JJ3088） |
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| 摘 要： | 研究了自发辐射耗散过程中两个初始处于相干态的二能级原子的纠缠动力学性质,分别考虑了有激光场驱动和没有激光场驱动的两种情况。结果显示,两原子的纠缠度依赖于原子的初始态,可通过改变相对相位和极化振幅来操纵和控制自发辐射耗散过程中两原子之间的纠缠度。同时还得到,有激光场驱动时两原子的纠缠度远大于没有激光场驱动时两原子的纠缠度。
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| 关 键 词： | 自发辐射；耗散系统；相干控制；纠缠动力学 |
| 收稿时间： | 2010-07-29 |
The Coherence-Controlled Entanglement Dynamic Behaviorin the Dissipative System of Spontaneous Emission |
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| Liao Xiangping,Fang Jianshu and Huang Zhong. The Coherence-Controlled Entanglement Dynamic Behaviorin the Dissipative System of Spontaneous Emission[J]. Journal of Hnnnan University of Technology, 2010, 24(5): 14-19 |
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| Authors: | Liao Xiangping Fang Jianshu Huang Zhong |
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| Affiliation: | School of Science, Hunan University of Technology;School of Science, Hunan University of Technology;School of Science, Hunan University of Technology |
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| Abstract: | Studies the entanglement dynamic behavior of two two-level atoms initially in the coherent state during the spontaneous emission dissipative process and considers two cases with the external coherent laser field and without the external coherent laser field. It is shown that the entanglement between the two atoms depends on the initial state of the atoms, and the entanglement in the spontaneous emission dissipative process can be controlled by changing the relative phases and polarization amplitude. Meanwhile, obtains that the entanglement with the external coherent laser field is bigger than that without the external coherent laser field. |
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