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quant-ph2025
Non-Hermitian Sensing via a Divergent Quantum Metric
Teng Liu, Xiaohang Zhang, Jiawei Zhang +1
The quantum metric, a geometric measure of state-space distance, has recently attracted growing attention for capturing anomalous state responses to parameter variations. Especiall…
quant-ph2025
Verified Universal Breakdown of Kibble-Zurek Scaling in Fast Quenches
Xinxin Rao, Yang Liu, Mingshen Li +3
The Kibble-Zurek mechanism (KZM) predicts that when a system is driven through a continuous phase transition, the density of topological defects scales universally with the quench…