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quant-ph2026
Optimal Quantum Metrology for Probing the Unruh Effect with Uniformly Accelerated Two-Level Atoms
Yao Jin
We develop a quantum metrological framework for optimizing the probing of the Unruh effect using uniformly accelerated two-level atomic probes. The acceleration-dependent factor ge…
quant-ph2026
Optimal estimation of quantum boundary effect in cosmic string space-time
Yao Jin
The presence of a cosmic string modifies vacuum fluctuations, making the evolution of a two-level polarizable atom position-dependent. Such modifications produce effects on the ato…
quant-ph2015★ 31 cited
Electromagnetic shielding in quantum metrology
Yao Jin, Hongwei Yu
The dynamics of the quantum Fisher information of the parameters of the initial atomic state and atomic transition frequency is studied, in the framework of open quantum systems, f…