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Measurement-Device-Independent Quantum Key Distribution with Two-Way Local Operations and Classical Communications 被引量:1
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作者 谭勇刚 刘强 《Chinese Physics Letters》 SCIE CAS CSCD 2016年第9期10-13,共4页
Measurement-device-independent quantum key distribution (MDI-QKD) is proven to be immune to all the de- tector side channel attacks. With two symmetric quantum channels, the maximal transmission distance can be doub... Measurement-device-independent quantum key distribution (MDI-QKD) is proven to be immune to all the de- tector side channel attacks. With two symmetric quantum channels, the maximal transmission distance can be doubled when compared with the prepare-and-measure QKD. An interesting question is whether the transmission distance can be extended further. In this work, we consider the contributions of the two-way local operations and classical communications to the key generation rate and transmission distance of the MDI-QKD. Our numerical results show that the secure transmission distances are increased by about 12kin and 8 km when the 1 13 and the 2 B steps are implemented, respectively. 展开更多
关键词 QKD MDI is on Measurement-Device-Independent Quantum Key Distribution with Two-Way local operations and classical communications EPR QBER of with
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Classification of Bipartite and Tripartite Qutrit Entanglement Under SLOCC 被引量:1
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作者 YANG Xin-Gang WANG Zhi-Xi +1 位作者 WANG Xiao-Hong FEI Shao-Ming 《Communications in Theoretical Physics》 SCIE CAS CSCD 2008年第9期651-654,共4页
We classify biqutrit and triqutrit pure states under stochastic local operations and classical communication. By investigating the right singular vector spaces of the coefticient matrices of the states, we obtain expl... We classify biqutrit and triqutrit pure states under stochastic local operations and classical communication. By investigating the right singular vector spaces of the coefticient matrices of the states, we obtain explicitly two equivalent classes of biqutrit states and twelve equivalent classes of triqutrit states respectively. 展开更多
关键词 biqutrit triqutrit stochastic local operations and classical communication
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Simplified Four-Qubit Cluster State for Splitting Arbitrary Single-Qubit Information
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作者 尹晓峰 刘益民 +1 位作者 章文 张战军 《Communications in Theoretical Physics》 SCIE CAS CSCD 2010年第1期49-53,共5页
The simplified four-qubit cluster state (i.e., (|0000〉 + |0011〉 + |1100〉 -|1111〉)/2) is explored for splitting an arbitrary single-qubit quantum information (QI). Various feasible distributions of the ... The simplified four-qubit cluster state (i.e., (|0000〉 + |0011〉 + |1100〉 -|1111〉)/2) is explored for splitting an arbitrary single-qubit quantum information (QI). Various feasible distributions of the four qubits among the Q,I sender and receivers for tri-splitting or hi-splitting are found out. For the distribution representations the corresponding splitting schemes and their LOCCs (local operation and classical communication) are presented amply while others are mentioned concisely. 展开更多
关键词 simplified cluster state quantum information splitting single-qubit quantum information local operation and classical communication
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