2 papers
quant-ph2026
Floquet quantum multiparameter estimation with periodic-driving-induced topological phase transition
Yu Yang, Yuyang Tang, Pei Zhang +1
Periodically driven systems provide a powerful platform for quantum multiparameter estimation. Constructing a static effective Hamiltonian in a proper rotating frame is commonly em…
quant-ph2025
Distinct Critical Scaling of Quantum Fisher Information in a Quantum Rabi Triangle System
Yuyang Tang, Yu Yang, Min An +1
Critical properties of a quantum system are recognized as valuable resources for quantum metrology. In this work, we investigate the criticality-enhanced sensing in a quantum Rabi…