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Experimental demonstration of conflicting interest nonlocal games using superconducting qubits

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Abstract

Conflicting interest nonlocal games are special Bayesian games played by noncooperative players without communication. In recent years, some conflicting interest nonlocal games have been proposed where quantum advice can help players to obtain higher payoffs. In this work we perform an experiment of six conflicting interest nonlocal games using the IBM quantum computer made up of five superconducting qubits. The experimental results demonstrate quantum advantage in four of these games, whereas the other two games fail to showcase quantum advantage in the experiment.

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Acknowledgements

We are very grateful to the reviewers and the editors for their invaluable comments and detailed suggestions that helped to improve the quality of the present paper. We acknowledge use of the IBM Quantum Experience for this work. The views expressed in this paper are only those of the authors and do not reflect the official policy or position of IBM or the IBM Quantum Experience team. This work is supported by the National Natural Science Foundation of China (Grant Nos. 61502179, 61472452, 61772565), the Natural Science Foundation of Guangdong Province of China (Grant No. 2017A030313378), the Science and Technology Program of Guangzhou City of China (No. 201707010194), the Fundamental Research Funds for the Central Universities (No. 17lgzd29) and the Research Foundation for Talented Scholars of Foshan University (No. gg040996).

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Correspondence to Haozhen Situ.

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Situ, H., Li, L., Huang, Z. et al. Experimental demonstration of conflicting interest nonlocal games using superconducting qubits. Quantum Inf Process 17, 120 (2018). https://doi.org/10.1007/s11128-018-1895-9

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