Abstract
Quantum entanglement is one of the key methods in quantum information processing, but it is difficult to prepare quantum entanglement. Quantum walk is widely used in quantum computation and quantum simulation, it can be applied to the preparation of quantum entangled states. In this paper, a controllable quantum network coding scheme based on quantum walk is proposed. With the help of quantum walk, the scheme preliminary realized the entanglement distribution of butterfly network, reduced entanglement resources and enhanced scalability. According to the existing technology, it is feasible to implement the quantum network coding scheme proposed in this paper.
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This work is supported by the Shanghai Science and Technology Project in 2020 under Grant No.20040501500.
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Chen, X., Zhou, RG., Li, X. et al. Controllable Quantum Network Coding Scheme Based on Quantum Walk. Int J Theor Phys 60, 3363–3374 (2021). https://doi.org/10.1007/s10773-021-04912-y
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DOI: https://doi.org/10.1007/s10773-021-04912-y