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quant-ph2024★ 8 cited
Tight upper bound of the maximal quantum violation of Gisin's elegant Bell inequality and its application in randomness certification
Dan-Dan Hu, Meng-Yan Li, Fen-Zhuo Guo +3
The violation of a Bell inequality implies the existence of nonlocality, making device-independent randomness certification possible. This paper derives a tight upper bound for the…
quant-ph2024
Characterizing the set of quantum correlations in prepare-and-measure quantum chain-shaped networks
Yanning Jia, Fenzhuo Guo, YuKun Wang +2
We introduce a hierarchy of tests satisfied by any probability distribution that represents the quantum correlations generated in prepare-and-measure (P\&M) quantum chain-shape…
quant-ph2024
Sharing tripartite nonlocality sequentially using only projective measurements
Yiyang Xu, Hao Sun, Fenzhuo Guo +2
Bell nonlocality is a valuable resource in quantum information processing tasks. Scientists are interested in whether a single entangled state can generate a long sequence of nonlo…