| 一种成功概率几乎完美的基于相干纠缠态的隐形传态方案 |
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| 引用本文： | 张力健,叶志清. 一种成功概率几乎完美的基于相干纠缠态的隐形传态方案[J]. 江西师范大学学报(自然科学版), 2016, 40(1): 61-64 |
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| 作者姓名： | 张力健 叶志清 |
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| 作者单位： | 江西师范大学物理与通信电子学院,江西省光电子与通信重点实验室,江西 南昌 330022 |
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| 摘 要： | 提出以四模纠缠相干态作为量子信道,待传的量子信息为三模相干叠加态,系统组成的系综态经过一个由分束器和移相器组成的线性光学系统,然后通过奇偶态测量,并把测量结果通过经典信道告诉对方,对方选择合适的幺正变换就可以恢复待传的量子信息,通过计算,该方案所得到的成功传态概率几乎完美,同时保真度也趋近于1.
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| 关 键 词： | 相干纠缠态 隐形传态 幺正变换 |
The Scheme of Teleportation Based on Coherent Entangled State with Almost Perfect Probability of Success |
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| ZHANG Lijian,YE Zhiqing. The Scheme of Teleportation Based on Coherent Entangled State with Almost Perfect Probability of Success[J]. Journal of Jiangxi Normal University (Natural Sciences Edition), 2016, 40(1): 61-64 |
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| Authors: | ZHANG Lijian YE Zhiqing |
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| Affiliation: | College of Physics & Communic Electronics,Key Laboratory of Photoelectronic & Telecomminication of Jiangxi Province,Jiangxi Normal University,Nanchang Jiangxi 330022,China |
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| Abstract: | The paper presents a four-mode entangled coherent state as a quantum channel,quantum information to be transmitted is a three-mode coherent superposition state,the department of state through the mechanized system consisting of a linear optical system by the beam splitter and the phase shifter formed.Then by parity state measurement,and the measurement results tell each other through a classical channel,the other to select the appropriate unitary operation can be restored quantum information to be transmitted,by calculating the probability of successful teleportation of this scheme was almost perfect,what is more the fidelity close to 1. |
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| Keywords: | coherent entangled state teleportation unitary operation |
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