Articles with "holevo cram" as a keyword



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Ultimate precision of joint quadrature parameter estimation with a Gaussian probe

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Published in 2018 at "Physical Review A"

DOI: 10.1103/physreva.97.012106

Abstract: The Holevo Cram\'er-Rao bound is a lower bound on the sum of the mean-square error of estimates for parameters of a state. We provide a method for calculating the Holevo Cram\'er-Rao bound for estimation of… read more here.

Keywords: state; estimation; cram rao; rao bound ... See more keywords
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Evaluating the Holevo Cramér-Rao Bound for Multiparameter Quantum Metrology.

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Published in 2019 at "Physical review letters"

DOI: 10.1103/physrevlett.123.200503

Abstract: Only with the simultaneous estimation of multiple parameters are the quantum aspects of metrology fully revealed. This is due to the incompatibility of observables. The fundamental bound for multiparameter quantum estimation is the Holevo Cramér-Rao… read more here.

Keywords: rao bound; cram rao; multiparameter quantum; metrology ... See more keywords