Abstract
Quantum teleportation is a hot topic of extensive research at present, and bidirectional quantum teleportation is one of the important research directions. In this paper, we propose a scheme to realize controlled bidirectional quantum teleportation by using a six-particle as the quantum channel. In this scheme, the communication parties Alice and Bob need to cooperate to send and receive unknown arbitrary particle states, which can’t achieve the purpose alone. During the transmission, Alice and Bob only need to perform simple Bell state measurement and single-particle measurement, and the measurement steps are few. Finally, the purpose can be achieved by performing some appropriate unitary transformations. We validate the scheme on the IBM Quantum Experiment platform and the feasibility by data. In terms of security, we discuss the method of ensuring communication security when this scheme is subjected to external and internal attacks. Finally, we compare it with other bidirectional quantum teleportation schemes, our scheme consumes fewer quantum resources and classical resources, operates fewer times, and has higher transmission efficiency, which fully highlights the advantages of this scheme.
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Acknowledgements
This work was supported in part by the National Natural Science Foundation of China (62172060),Sichuan Science and Technology Program (2022YFG0316).
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Xiaolong Yang, Dongfen Li, Jie Zhou, Yuqiao Tan, Yundan Zheng and Xiaofang Liu are contributed to the study conception and design and all authors read and approved the final manuscript.
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Yang, X., Li, D., Zhou, J. et al. Research on Key Technologies of Controlled Bidirectional Quantum Teleportation. Int J Theor Phys 62, 77 (2023). https://doi.org/10.1007/s10773-022-05256-x
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DOI: https://doi.org/10.1007/s10773-022-05256-x