科研之友
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摘要
An improved quantum voting scheme based on four-qubit Cluster state is presented in this paper. This program uses quantum key distribution protocol and quantum one-time pad to guarantee its unconditional security. Furthermore, we use the entanglement of four-qubit Cluster state instead of the controlled quantum teleportation in order to reduce the technical difficulty. The significant advantage of our scheme is that transmitted information capacity is twice as much as the capacity of other schemes.
