Correlation measures in bipartite states and entanglement
irreversibility [PDF]
Shengjun WuWe derive quantitative relations among several naturally defined measures of classical and nonclassical correlations in a bipartite quantum state. We also obtain an upper bound of entanglement irreversibility and a sufficient condition for reversible entanglement. The additivity of entanglement of formation is directly related to the additivity of quantum discord as well as a certain measure of classical correlation.View original: http://arxiv.org/abs/1110.6873
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