Detecting Acoherence in Radiation Fields

Kavli Affiliate: Frank Wilczek

| First 5 Authors: Sreenath K. Manikandan, Frank Wilczek, , ,

| Summary:

We propose simple quantitative criteria, based on counting statistics in
resonant harmonic detectors, that probe the quantum mechanical character of
radiation fields. They provide, in particular, practical means to test the null
hypothesis that a given field is “maximally classical”, i.e., accurately
described by a coherent state. We suggest circumstances in which that
hypothesis plausibly fails, notably including gravitational radiation involving
non-linear or stochastic sourcing.

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