发送方利用局域幺正操作和纠缠交换，将子秘密分发给每个参与者。
By local unitary operation and entanglement swapping, the sender can transmit the piece of secret to the participant.
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；
The second is controlled exchange of quantum entangled state of three two-level particles GHZ state and a W state.
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