3 papers
quant-ph2026
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…
quant-ph2025
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…
quant-ph2025
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…