5 papers · 1 filter
Toward Heisenberg Scaling in Non-Hermitian Metrology at the Quantum Regime
Xinglei Yu, Xinzhi Zhao, Liangsheng Li +4
Non-Hermitian quantum metrology, an emerging field at the intersection of quantum estimation and non-Hermitian physics, holds promise for revolutionizing precision measurement. Her…
Quantum criticality of generalized Aubry-André models with exact mobility edges using fidelity susceptibility
Yu-Bin Liu, Wen-Yi Zhang, Tian-Cheng Yi +3
In this study, we explore the quantum critical phenomena in generalized Aubry-André models, with a particular focus on the scaling behavior at various filling states. Our approach…
Machine-learning-inspired quantum control in many-body dynamics
Meng-Yun Mao, Zheng Cheng, Liangsheng Li +2
Achieving precise preparation of quantum many-body states is crucial for the practical implementation of quantum computation and quantum simulation. However, the inherent challenge…
Optimal Dynamical Gauge in the Quantum Rabi Model
Yuqi Qing, Wen-Long You, Yueheng Lan +1
In this paper, we investigate the gauge dependence of various physical observables in the quantum Rabi model (QRM) under different potential fields, arising from the Hilbert-space…
Optimizing single-photon quantum radar detection through partially postselected filtering
Liangsheng Li, Maoxin Liu, Wen-Long You +5
In this study, we explore an approach aimed at enhancing the transmission or reflection coefficients of absorbing materials through the utilization of joint measurements of entangl…