Atomic granularity noise from discrete atoms limits ensemble metrology sensitivity, with a crossover to AGN-dominated regime where more photons or non-classical light no longer help beyond a critical ratio.
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Granularity Noise Limit in Atomic-Ensemble-Based Metrology
Atomic granularity noise from discrete atoms limits ensemble metrology sensitivity, with a crossover to AGN-dominated regime where more photons or non-classical light no longer help beyond a critical ratio.