| 两光子的自旋态与纠缠态 |
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| 引用本文： | 王广德,刘晓静,李宏,马季,李雪,张斯淇. 两光子的自旋态与纠缠态[J]. 吉林大学学报(理学版), 2015, 53(5): 1018-1022 |
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| 作者姓名： | 王广德 刘晓静 李宏 马季 李雪 张斯淇 |
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| 作者单位： | 1. 吉林师范大学 信息技术学院, 吉林 四平 136000；2. 吉林师范大学 物理学院, 吉林 四平 136000; 3. 吉林大学 物理学院, 长春 130012 |
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| 摘 要： | 用量子理论方法给出两光子的自旋态, 即通过2个单光子自旋态的直积并叠加得到两光子的自旋本征态, 从而给出两光子的纠缠态, 所得结果与用经典极化矢量表示的两光子纠缠态不同, 该结果可应用于量子通讯和量子计算中.
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| 关 键 词： | 两光子 自旋态 纠缠态 |
| 收稿时间： | 2015-01-08 |
Two-Photon Spin States and Entanglement States |
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| WANG Guangde,LIU Xiaojing,LI Hong,MA Ji,LI Xue,ZHANG Siqi. Two-Photon Spin States and Entanglement States[J]. Journal of Jilin University: Sci Ed, 2015, 53(5): 1018-1022 |
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| Authors: | WANG Guangde LIU Xiaojing LI Hong MA Ji LI Xue ZHANG Siqi |
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| Affiliation: | 1. School of Information and Technology, Jilin Normal University, Siping 136000, Jilin Province, China;2. School of Physics, Jilin Normal University, Siping 136000, Jilin Province, China;3. College of Physics, Jilin University, Changchun 130012, China |
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| Abstract: | We gave the spin states of two photon using quantum theory approach, i.e., two photon spin eigen states were expressed by the superposition of the direct product of two single photon spin states. Then, we obtainedthe quantum representation of two photon entanglement states, which are different from the classical polarization vector expression of two photon entanglement state. The results could be used in quantum communication and quantum computation. |
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| Keywords: | two photon spin state entanglement state |
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