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A Novel Protocol for Bidirectional Controlled Quantum Teleportation of Two-Qubit States Via Seven-Qubit Entangled State in Noisy Environment

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Abstract

In this paper, a novel protocol of bidirectional controlled quantum teleportation (BCQT) via seven-qubit state is proposed. Where Alice and Bob, two legitimate users, can teleport two-qubit states to each other. In the whole process, users achieve the initial state based on preprocessing of quantum channel, Bell-state measurement (BSM), single-qubit measurement (SM), unitary operations and so on. The main superiority of the proposed protocol is more efficient compared with previous work. In addition, the proposed protocol is considered in noisy channel, it shows that the fidelities under amplitude-damping (AD) and phase-damping (PD) noise only rest with the amplitude parameter of the initial state and the decoherence noisy rate.

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Acknowledgements

This work is supported by the National Key R&D Plan under Grant No. 2018YFC1200200 and 2018YFC1200205, National Natural Science Foundation of China under Grant No. 61463016 and “Science and technology innovation action plan” of Shanghai in 2017 under Grant No. 17510740300. H.I. and National Natural Science Foundation of China under grant No.11404415.

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Authors and Affiliations

  1. College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China

    Ri-Gui Zhou, Chen Qian & Ruiqing Xu

  2. Research Center of Intelligent Information Processing and Quantum Intelligent Computing, Shanghai, 201306, China

    Ri-Gui Zhou, Chen Qian & Ruiqing Xu

Authors
  1. Ri-Gui Zhou
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  2. Chen Qian
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  3. Ruiqing Xu
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Correspondence to Chen Qian.

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Zhou, RG., Qian, C. & Xu, R. A Novel Protocol for Bidirectional Controlled Quantum Teleportation of Two-Qubit States Via Seven-Qubit Entangled State in Noisy Environment. Int J Theor Phys 59, 134–148 (2020). https://doi.org/10.1007/s10773-019-04302-5

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  • DOI: https://doi.org/10.1007/s10773-019-04302-5

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