Entropic measures of nonclassical correlations

Details Entropic measures of nonclassical correlations Entropic measures of nonclassical correlations

2011-05-25

arxiv.org/abs/1105.4920v2

Physics

Quantum Physics

32 Pages, 6 Figures. Revised in response to referee comments. Five new references added

Scientific paper

A framework for categorizing entropic measures of nonclassical correlations in bipartite quantum states is presented. The measures are based on the difference between a quantum entropic quantity and the corresponding classical quantity obtained from measurements on the two systems. Three types of entropic quantities are used, and three different measurement strategies are applied to these quantities. Many of the resulting measures of nonclassical correlations have been proposed previously. Properties of the various measures are explored, and results of evaluating the measures for two-qubit quantum states are presented.

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