Deterministic single-qubit operation sharing with five-qubit cluster state

Deterministic single-qubit operation sharing with five-qubit cluster state
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确定性单量子位操作与五量子位集群状态共享

DOI:
10.1007/s11128-013-0537-5
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发表时间:
2013-02
影响因子:
2.5
通讯作者:
Zhang, Zhanjun
Zhang, Zhanjun
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Wang, Shengfang;Liu, Yimin;Chen, Jianlan;Liu, Xiansong;Zhang, Zhanjun

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研究了具有共享纠缠和LOCC的任意单比特操作的完美共享问题。利用Briegel和Raussendorf(Phys Rev Lett 86:910,2001)提出的五比特团簇态,提出了一种对称的三方PSASQO方案.讨论了该方案的重要特征、量子信道的重要作用、对多方情况的直接推广、纠缠结构问题及其在某些特殊量子场景中的应用前景以及安全性分析。特别地,论证了该方案的实验特点及其推广,即,根据目前的实验技术,示出所采用的么正操作是局部的和可访问的单量子比特泡利操作和双量子比特控制非操作。
Perfect sharing of arbitrary single-qubit operation (PSASQO) with shared entanglements and LOCC is focused. A symmetric three-party PSASQO scheme is put forward by utilizing the five-qubit cluster state proposed by Briegel and Raussendorf (Phys Rev Lett 86:910, 2001). Some concrete discussions on the scheme are made, including its important features, the essential role of the quantum channel, its direct generalization to more-party cases, the problem of entanglement structure and its application perspective in some peculiar quantum scenario as well as its security analysis. Particularly, the experimental feasibilities of the scheme and its generalizations are demonstrated, i.e., showing the employed unitary operations are local and accessible single-qubit Pauli and two-qubit control NOT operations according to nowaday experimental techniques.
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