Quantum Key Distribution Using Four-Qubit W State
摘要
A new theoretical quantum key distribution scheme based on entanglement swapping is proposed, where four-qubit symmetric W state functions as quantum channel. It is shown that two legitimate users can secretly share a series of key bits by using Bell-state measurements and classical communication.
引用本文（GB/T 7714）
Cao, Hai-Jing, Song, 等. Quantum Key Distribution Using Four-Qubit W State[J]. 理论物理通讯：英文版, 2006.
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