| Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair |
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| 作者姓名： | 王雅红 于长水 宋鹤山 |
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| 作者单位： | [1]Department of Physics, Dalian University of Technology, Dalian 116024 [2]School of Information Science and Engineering, Institute of Light Industry, Dalian 116034 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 60472017 and 10575017. |
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| 摘 要： |
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| 关 键 词： | 量子隐性传态 多粒子GHZ能级态 EPR对 量子纠缠态 量子隧道 |
| 收稿时间： | 2006-06-26 |
| 修稿时间： | 2006-06-26 |
Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair |
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| WANG Ya-Hong,YU Chang-Shui&sup,SONG He-Shan.Teleportation of an Arbitrary Multipartite GHZ-Class State by One EPR Pair[J].Chinese Physics Letters,2006,23(12):3142-3144. |
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| Authors: | WANG Ya-Hong YU Chang-Shui&sup SONG He-Shan |
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| Institution: | 1.Department of Physics, Dalian University of Technology, Dalian 116024 ;2.School of Information Science and Engineering, Institute of Light Industry, Dalian 116034 |
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| Abstract: | We present a scheme for perfectly teleporting an arbitrary and unknown N-particle GHZ-class state from a sender to a receiver. We just need one quantum channel composed of two or three particles in the maximally entangled state. The sender performs one Bell-state measurement on two of her particles and N - 1 Hadamard operations and N - 1 yon Neumann measurements on the rest N - 1 particles. The receiver adopts one corresponding unitary transformation on his particles shared with the sender. After that, the receiver can obtain the original N-particle GHZ-class state by introducing N - 1 ancillary particles and carrying out N - 1 controlled-NOT operations. We also generalize the scheme to the case of controlled teleportation. |
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| Keywords: | 03 67 -a 03 67 Hk |
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