4 papers
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…
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…
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…
Global quantum thermometry based on the optimal biased bound
Shoukang Chang, Wei Ye, Xuan Rao +6
Thermometry is a fundamental parameter estimation problem which is crucial in the development process of natural sciences. One way to solve this problem is to the extensive used lo…