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Quantifying Uhlmann curvature from Yang-Mills action and its implications in quantum multiparameter estimation
Yi-Lin Ge, Bing-Shu Hu, Ling-Yun Deng +1
The geometry of quantum states has profound implications in quantum multiparameter estimation. While the Riemannian structure of quantum state space is well understood, the full un…
Quantum Parameter Estimation Uncertainty Relation
Bing-Shu Hu, Xiao-Ming Lu
Quantum multiparameter estimation focuses on the simultaneous inference of multiple parameters in quantum systems through measurement and data processing. Its complexity stems from…
Revisit on quantum parameter estimation approach for Mach-Zehnder interferometry
Bing-Shu Hu, Xiao-Ming Lu
The Mach-Zehnder interferometer is a fundamental tool for measuring phase shifts between two light paths, serving as a crucial prototype for achieving high-precision measurements i…
Trade-off relations of geometric coherence
Bingyu Hu, Ming-Jing Zhao
Quantum coherence is an important quantum resource and it is intimately related to various research fields. The geometric coherence is a coherence measure both operationally and ge…