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Multiparty Quantum Secret Sharing of Quantum States with Quantum Registers |
GUO Ying 1,2;ZENG Gui-Hua1;CHEN Zhi-Gang2 |
1Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030
2Department of Communication Engineering, Central South University,Changsha 410083 |
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Cite this article: |
GUO Ying, ZENG Gui-Hua, CHEN Zhi-Gang 2007 Chin. Phys. Lett. 24 863-866 |
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Abstract A quantum secret sharing scheme is proposed by making use of quantum registers. In the proposed scheme, secret message state is encoded into multipartite entangled states. Several identical multi-particle entanglement states are generated and each particle of the entanglement state is filled in different quantum registers which act as shares of the secret message. Two modes, i.e. the detecting mode and the message mode, are employed so that the eavesdropping can be detected easily and the secret message may be recovered. The security analysis shows that the proposed scheme is secure against eavesdropping of eavesdropper and cheating of participants.
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Keywords:
03.67.Dd
03.65.Ud
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Received: 04 January 2007
Published: 26 March 2007
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PACS: |
03.67.Dd
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(Quantum cryptography and communication security)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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