We propose a scheme to implement a two-qubit conditional quantum phase gate via a single mode cavity and a cascade four-......

计算了三光子W态隐形传输令牌总线网的保真度.通过计算发现在整个量子网络通信过程中,对于给定的分析角θ,保真度仅与系数｜a｜^2有关;......