Abstract
Based on the continuous variable GHZ entangled states, an efficient three-party quantum dialogue protocol is devised, where each legitimate communication party could simultaneously deduce the secret information of the other two parties with perfect efficiency. The security is guaranteed by the correlation of the continuous variable GHZ entangled states and the randomly selected decoy states. Furthermore, the three-party quantum dialogue protocol is directly generalized to an N-party quantum dialogue protocol by using the n-tuple continuous variable GHZ entangled states.
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Acknowledgments
This work is supported by the National Natural Science Foundation of China (grant nos. 61561033 and 61462061), the Foundation for Young Scientists of Jiangxi Province (Jinggang Star) (grant no. 20122BCB23002), the Natural Science Foundation of Jiangxi Province, China (grant no. 20151BAB207002), and the Research Foundation of the Education Department of Jiangxi Province (grant no. GJJ14138).
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Yu, ZB., Gong, LH., Zhu, QB. et al. Efficient Three-Party Quantum Dialogue Protocol Based on the Continuous Variable GHZ States. Int J Theor Phys 55, 3147–3155 (2016). https://doi.org/10.1007/s10773-016-2944-8
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DOI: https://doi.org/10.1007/s10773-016-2944-8