3 papers
quant-ph2025
Quantum Coherence in Reflected and Refracted Beams: A Van Cittert-Zernike Approach
Yuetao Chen, Gaiqing Chen, Jin Wang +3
Recent advances in quantum optics have highlighted the critical role of spatial propagation in controlling the quantum coherence of light beams. However, the evolution of quantum c…
quant-ph2025
Quantum metrology of hopping strength in a one-dimensional electronic chain
Yuetao Chen, Gaiqing Chen, jin Wang +3
The electron hopping between the two sites in a lattice is of fundamental importance in condensed matter physics. Precise control of the hopping strength allows for the prospect of…
quant-ph2023
Evaluating the quantum optimal biased bound in a unitary evolution process
Shoukang Chang, Wei Ye, Xuan Rao +6
Seeking the available precision limit of unknown parameters is a significant task in quantum parameter estimation. One often resorts to the widely utilized quantum Cramer-Rao bound…