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quant-ph2022
Efficient Distinction between Quantum Direct and Common Causes and its Experimental Verification
Feixiang Xu, Jia-Yi Lin, Ben Wang +4
Identifying the causal structures between two statistically correlated events has been widely investigated in many fields of science. While some of the well-studied classical metho…
quant-ph2020
Quantum-limited Localisation and Resolution in Three Dimensions
Ben Wang, Liang Xu, Lijian Zhang
As a method to extract information from optical system, imaging can be viewed as a parameter estimation problem. The fundamental precision in locating one emitter or estimating the…
quant-ph2020★ 17 cited
Quantum-enhanced stochastic phase estimation with SU(1,1) interferometer
Kaimin Zheng, Minghao Mi, Ben Wang +5
The quantum stochastic phase estimation has many applications in the precise measurement of various physical parameters. Similar to the estimation of a constant phase, there is a s…