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Efficient and Secure Authenticated Quantum Dialogue Protocols over Collective-Noise Channels |
| Min Xiao**, Yun-Ru Cao, Xiu-Li Song |
College of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065
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| Cite this article: |
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Min Xiao, Yun-Ru Cao, Xiu-Li Song 2017 Chin. Phys. Lett. 34 030302 |
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Abstract Based on the deterministic secure quantum communication, we present a novel quantum dialogue protocol without information leakage over the collective noise channel. The logical qubits and four-qubit decoherence-free states are introduced for resisting against collective-dephasing noise, collective-rotation noise and all kinds of unitary collective noise, respectively. Compared with the existing similar protocols, the analyses on security and information-theoretical efficiency show that the proposed protocol is more secure and efficient.
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Received: 22 November 2016
Published: 28 February 2017
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| PACS: |
03.67.Dd
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(Quantum cryptography and communication security)
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03.67.Hk
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(Quantum communication)
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03.67.Pp
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(Quantum error correction and other methods for protection against decoherence)
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| Fund: Supported by the Foundation and Frontier Research Program of Chongqing Science and Technology Commission of China under Grant No cstc2016jcyjA0571. |
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