Deterministic Teleportation of an Arbitrary Two-Qubit State Via a One-Dimensional Four-Qubit Cluster State

查看全文 作　　者：Hui [1,2]Li;Chunwen [1,2]Li;Rebing [1,2]Wu

机构地区：[1]Department of Automation, Tsinghua University, Beijing 100084, China;[2]Center for Quantum Information Science and Technology, TNList, Beijing 100084, China

出　　处：《Tsinghua Science and Technology》索引2012年第17卷第3期,共6页

基　　金：Supported by the National Natural Science Foundation of China (No. 60904034);the Natural Science Foundation of Jiangsu Province (No. BK2011283) 摘　　要：This paper presents an approach to deterministically teleport an arbitrary two-qubit state through a one-dimensional four-qubit cluster state serving as a probabilistic quantum channel. The channel is modulated in advance to avoid damage to the original states in this scheme, which is caused by the inevitable failure of constructing a channel between the sender and the receiver. The scheme is flexible because the channel can be modulated either by the sender or by the receiver, with the option of deciding whether the sender or the receiver modulates the channel, according to the distribution of the available particle resources. The efficiency can be improved by reusing previously discarded results that may lead to a faithful channel. The scheme can be uniformly performed, so the design process can be greatly simplified to realize a reliable deterministic teleportation. Finally, the scheme is extended to deterministic teleportation of an arbitrary n-qubit state in a generalized form. 关键词：量子隐形传送量子比特团簇一维量子通道设计过程隐形传输广义形式

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Deterministic Teleportation of an Arbitrary Two-Qubit State Via a One-Dimensional Four-Qubit Cluster State

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