Quantum Chernoff bound as a measure of nonclassicality for one-mode Gaussian states

Details Quantum Chernoff bound as a measure of nonclassicality for one-mode Gaussian states Quantum Chernoff bound as a measure of nonclassicality for one-mode Gaussian states

2008-06-11

arxiv.org/abs/0806.1892v2

Physical Review A 79, 014302 (2009)

Physics

Quantum Physics

published version

Scientific paper

10.1103/PhysRevA.79.014302

We evaluate a Gaussian distance-type degree of nonclassicality for a
single-mode Gaussian state of the quantum radiation field by use of the
recently discovered quantum Chernoff bound. The general properties of the
quantum Chernoff overlap and its relation to the Uhlmann fidelity are
interestingly illustrated by our approach.

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