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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Bibliographic Details
Published in:Chinese physics B 2016-05, Vol.25 (5), p.53-57
Main Author: 占海涛 余旭涛 熊佩颖 张在琛
Format: Article
Language:English
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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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.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/5/050305