The optimal sensing time for bath-induced coherence lacks a universal scaling with the Liouvillian gap, but cavity coupling can stabilize this transient metrological advantage into a steady-state resource.
Quantum fisher information as a signature of the superradiant quantum phase transition.New Journal of Physics, 16(6):063039, 2014
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Coherence Estimation Beyond the Liouvillian Gap in a Finite Nonequilibrium System
The optimal sensing time for bath-induced coherence lacks a universal scaling with the Liouvillian gap, but cavity coupling can stabilize this transient metrological advantage into a steady-state resource.