An efficient scheme for multi-party quantum state sharing via non-maximally entangled states

作者：Jiang Min^*; Huang Xu; Zhou LiuLei; Zhou YiMing; Zeng Jia

来源：Chinese Science Bulletin, 2012, 57(10): 1089-1094.

DOI：10.1007/s11434-012-5008-3

• quantum state sharing
• probabilistic channel
• multi-particle state
• two-particle entangled state

We present a new scheme for investigating the usefulness of non-maximally entangled states for multi-party quantum state sharing in a simple and elegant manner. In our scheme, the sender, Alice shares n various probabilistic channels composed of non-maximally entangled states with n agents in a network. Our protocol involves only Bell-basis measurements, single qubit measurements, and a two-qubit unitary transformation operated by free optional agents. Our scheme is a more convenient realization because no other multipartite joint measurements are needed. Furthermore, in our scheme various probabilistic channels lessen the requirement for quantum channels, which makes it more practical for physical implementation.

• 出版日期2012-4
• 单位苏州大学