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Bures metric

Known as: Bures distance, Helstrom metric 
In mathematics, in the area of quantum information geometry, the Bures metric or Helstrom metric defines an infinitesimal distance between density… 
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Related topics

Related topics

9 relations
Density matrixFidelity of quantum statesFisher informationFubini–Study metric

Broader (2)

Quantum information scienceQuantum mechanics

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
A Pedagogical Intrinsic Approach to Relative Entropies as Potential Functions of Quantum Metrics: the q-z Family
Highly Cited
2016
Highly Cited
2016
Discontinuities of the quantum Fisher information and the Bures metric
We show that two quantities in quantum metrology that were thought to be the same, the quantum Fisher information matrix and the… 
Highly Cited
2014
Highly Cited
2014
Relating the Bures Measure to the Cauchy Two-Matrix Model
The Bures metric is a natural choice in measuring the distance of density operators representing states in quantum mechanics. In… 
2014
2014
Convergence of a Q-learning Variant for Continuous States and Actions
This paper presents a reinforcement learning algorithm for solving in finite horizon Markov Decision Processes under the expected… 
Highly Cited
2013
Highly Cited
2013
Geometric quantum discord with Bures distance
We define a new measure of quantum correlations in bipartite quantum systems given by the Bures distance of the system state to… 
2011
2011
Orbits in a Non-Kerr Dynamical System
We study the orbits in a Manko–Novikov type metric (MN) which is a perturbed Kerr metric. There are periodic, quasi-periodic, and… 
2003
2003
Prediction of perceived conversational speech quality and effects of playout buffer algorithms
Perceived conversational speech quality is a key quality of service (QoS) metric for voice over IP (VoIP) applications. Speech… 
Highly Cited
1998
Highly Cited
1998
Explicit formulae for the Bures metric
The aim of this paper is to derive explicit formulae for the computation of the Riemannian Bures metric g on the manifold of… 
Highly Cited
1997
Highly Cited
1997
Statistical Inference, Distinguishability of Quantum States, And Quantum Entanglement
We argue from the point of view of statistical inference that the quantum relative entropy is a good measure for distinguishing… 
Highly Cited
1992
Highly Cited
1992
Approximations of pseudo-Boolean functions; applications to game theory
This paper studies the approximation of pseudo-Boolean functions by linear functions and more generally by functions of (at most… 
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