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Efficient Quantum Dialogue by Using the Two-Qutrit Entangled States Without Information Leakage

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Abstract

A quantum dialogue protocol, based on the two-qutrit entangled states is proposed in this paper. In this protocol, the security of communication is ensured by the secret transmitting order of qutrits. Two legitimate users can directly transmit their secret messages by generalized Bell-basis measurement and classical communication. The efficiency of our scheme is high, which can reach to 100 %. Besides, the protocol is not only feasible in practice but also can discard the drawback “information leakage” or “classical correlation”.

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Acknowledgements

This work is supported in part by the National Science Foundation of China under Grant No. 60970140.

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Authors and Affiliations

  1. State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, 710071, China

    He Wang, Yu-Qing Zhang & Yu-Pu Hu

  2. National Computer Network Intrusion Protection Center, Graduate University of Chinese Academy of Sciences, Beijing, 100049, China

    Yu-Qing Zhang

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  1. He Wang
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  2. Yu-Qing Zhang
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  3. Yu-Pu Hu
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Correspondence to Yu-Qing Zhang.

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Wang, H., Zhang, YQ. & Hu, YP. Efficient Quantum Dialogue by Using the Two-Qutrit Entangled States Without Information Leakage. Int J Theor Phys 52, 1745–1750 (2013). https://doi.org/10.1007/s10773-012-1220-9

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  • DOI: https://doi.org/10.1007/s10773-012-1220-9

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