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quant-ph2026
Dissipation-engineered dual-charger quantum batteries
Yi-jia Yang, Yu-qiang Liu, Zheng Liu +3
Suppressing coherent energy backflow while maintaining extractable energy in a stable nonequilibrium state remains a central challenge for quantum energy storage. Here, we introduc…
quant-ph2026
Distinct Signatures of Dynamical and Spectral Criticality in Quenched Quantum Batteries
Zheng Liu, Wen-Hui Nie, Yi-jia Yang +2
Criticality is widely used to enhance energy storage in quantum batteries. Two criticalities are compared here, one spectral and one dynamical. We ask two questions. Where does the…
quant-ph2026
Quantum Magnetometry with Orientation beyond Steady-State Limits in Cavity-Magnon Systems
Zheng Liu, Ding-hui Xu, Yi-jia Yang +2
We propose a transient vector quantum magnetometry protocol based on cavity-magnon systems. By exploiting finite-time dynamics initialized from a reservoir-engineered squeezed stea…