Coherence, nonclassicality and metrological resolution

2021/09/09 by Ares, Laura, Luis, Alfredo
#FOS: Physical sciences #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2109.04046

Abstract

We demonstrate the simple and deep equivalence between quantum coherence and nonclassicality and the definite way in which they determine metrological resolution. Moreover, we define a coherence observable consistent with a classical intuition relating coherence with phase statistics.

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