Quantum Enhanced Sensitivity through Many-Body Bloch Oscillations
Quantum Enhanced Sensitivity through Many-Body Bloch Oscillations
We investigate the sensing capacity of non-equilibrium dynamics in quantum systems exhibiting Bloch oscillations. By focusing on resource efficiency of the probe, quantified by quantum Fisher information, we find different scaling behaviors in two different phases, namely localized and extended. Our results provide a quantitative ansatz for quantum Fisher information …