Multi-qudit state sharing via various high-dimensional Bell channels

作者：Wei, Yu-zhen; Jiang, Min^*

来源：Quantum Information Processing, 2015, 14(3): 1091-1102.

DOI：10.1007/s11128-014-0889-5

• Quantum state sharing
• Quantum secret sharing
• Quantum information
• Bell state

In this paper, an innovative and efficient scheme is presented for multi-participants sharing arbitrary -qudit states with two-qudit maximally entangled Bell channels under the control of agents. After the sender (Alice) performs one GHZ-state measurement on her qudits, and each controller (all Bobs) makes a single-qudit measurement, the recipient (Charlie) only needs to operate a single-qudit unitary transformation based on the classical information from the sender and all controllers. This scheme is further expanded to deal with how to use non-maximally entangled Bell channels where an additional multi-qudit unitary operation is operated. Our result demonstrates that it is possible to share multi-qudit state under supervision with only two-qudit entangled Bell channels which makes it convenient in a practical application.

• 出版日期2015-3
• 单位苏州大学