The model of quantum identification was established, and an identification scheme was presented on the basis of the coherency of the four-particle GHZ state.
建立了量子身份认证模型，同时提出了一种基于四粒子ghz态的量子相干性的身份认证方案。
The second is controlled exchange of quantum entangled state of three two-level particles GHZ state and a W state.
三个二能级粒子GHZ态与一个W型态的量子纠缠态交换控制方案；
The second is controlled exchange of quantum entangled state of three two-level particles GHZ state and a W state.
三个二能级粒子GHZ态与一个W型态的量子纠缠态交换控制方案；
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