Multi-hop teleportation based on W state and EPR pairs

Multi-hop teleportation has significant value due to long-distance delivery of quantum information. Many studies about multi-hop teleportation are based on Bell pairs, partially entangled pairs or W state. The possibility of multi-hop teleportation constituted by partially entangled pairs relates to...

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Published inChinese physics B Vol. 25; no. 5; pp. 53 - 57
Main Author 占海涛 余旭涛 熊佩颖 张在琛
Format Journal Article
LanguageEnglish
Published 01.05.2016
Subjects
Bells
EPR对
Quantum phenomena
Teleportation
传输方案
多跳
节点数
量子信息
长距离
隐形传态
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/25/5/050305

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Summary:Multi-hop teleportation has significant value due to long-distance delivery of quantum information. Many studies about multi-hop teleportation are based on Bell pairs, partially entangled pairs or W state. The possibility of multi-hop teleportation constituted by partially entangled pairs relates to the number of nodes. The possibility of multi-hop teleportation constituted by double W states is （4/9）~n after n-hop teleportation. In this paper, a multi-hop teleportation scheme based on W state and EPR pairs is presented and proved. The successful possibility of quantum information transmitted hop by hop through intermediate nodes is deduced. The possibility of successful transmission is （2/3）~n after n-hop teleportation.
Bibliography:multi-hop teleportation; W state; Bell pairs
Hai-Tao Zhan, Xu-Tao Yu, Pei-Ying Xiong, and Zai-Chen Zhang（1State Key Laboratory of Millimeter Waves, Southeast University, Nanfing 210096, China 2National Mobile Communications Research Laboratory, Southeast University, Nanfing 210096, China）
Multi-hop teleportation has significant value due to long-distance delivery of quantum information. Many studies about multi-hop teleportation are based on Bell pairs, partially entangled pairs or W state. The possibility of multi-hop teleportation constituted by partially entangled pairs relates to the number of nodes. The possibility of multi-hop teleportation constituted by double W states is （4/9）~n after n-hop teleportation. In this paper, a multi-hop teleportation scheme based on W state and EPR pairs is presented and proved. The successful possibility of quantum information transmitted hop by hop through intermediate nodes is deduced. The possibility of successful transmission is （2/3）~n after n-hop teleportation.
11-5639/O4
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/5/050305