Abstract
In the paper, we devote to defining an available measure to quantify the nonbilocal correlation in the entanglement-swapping experiment. Then we obtain analytical formulas to calculate the quantifier when the inputs are pure states. For the case of mixed inputs, we discuss the computational properties of the quantifier. Finally, we derive a tight upper bound to the nonbilocality quantifier.
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Acknowledgements
Thanks for comments. The work is supported by National Science Foundation of China under Grant No. 11771011, The Natural Science Foundation of Shanxi Province, China (No.201801D221032) and Scientific and Technological Innovation Programs of Higher Education Instructions in Shanxi (No.2019L0178).
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Zhang, Y., He, K. Generalization of Measurement-Induced Nonlocality in the Bilocal Scenario. Int J Theor Phys 60, 2178–2192 (2021). https://doi.org/10.1007/s10773-021-04834-9
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DOI: https://doi.org/10.1007/s10773-021-04834-9