Abstract
At present, a lot of quantum dialogue protocols have the problem of information leakage, especially the ones merely using a single quantum state as the quantum resource. In this paper, the author successfully puts forward a novel kind of information leakage resistant quantum dialogue protocol merely using a single quantum entangled state. This kind of quantum dialogue protocol uses the measurement correlation property of a single quantum entangled state to prevent the information leakage problem. Its Bell state version is illustrated in detail at first in this paper, then it is generalized to the cases of three-particle, four-particle and five-particle quantum entangled states. Different from those previous information leakage resistant quantum dialogue protocols, the proposed protocol needs neither the auxiliary quantum state nor the entanglement swapping technology of quantum state.
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Acknowledgements
Funding by the National Natural Science Foundation of China (Grant No.11375152), and the Natural Science Foundation of Zhejiang Province (Grant No.LQ12F02012) is gratefullyacknowledged.
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Ye, TY. Quantum Dialogue Without Information Leakage Using a Single Quantum Entangled State. Int J Theor Phys 53, 3719–3727 (2014). https://doi.org/10.1007/s10773-014-2124-7
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DOI: https://doi.org/10.1007/s10773-014-2124-7