10d ago
Quantum Magnetometry with Orientation beyond Steady-State Limits in Cavity-Magnon Systems
Zheng Liu · Ding-hui Xu · Yi-jia Yang · Yu-qiang Liu · Chang-shui Yu
Abstract
Author(s): Zheng Liu, Ding-hui Xu, Yi-jia Yang, Yu-qiang Liu, and Chang-shui Yu<br/><p>We propose a transient vector quantum magnetometry protocol based on cavity-magnon systems. By exploiting finite-time dynamics initialized from a reservoir-engineered squeezed steady state, our scheme retains residual squeezing-induced quadrature noise reduction, which suppresses transient added noi…</p><br/>[Phys. Rev. Lett. 137, 103602] Published Tue Sep 01, 2026
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