Minimax estimation of qubit states with Bures risk

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Minimax estimation of qubit states with Bures risk

The central problem of quantum statistics is to devise measurement schemes for the estimation of an unknown state, given an ensemble of n independent identically prepared systems. For locally quadratic loss functions, the risk of standard procedures has the usual scaling of 1/n. However, it has been...

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Bibliographic Details
Main Authors:	Acharya, Anirudh, Guţă, Mădălin
Format:	Article
Language:	English
Published:	IOP 2018
Subjects:	Quantum tomography; State estimation; Minimax estimation; Bures distance; Quantum relative entropy; Local asymptotic normality
Online Access:	https://eprints.nottingham.ac.uk/52652/

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