MiS Preprint Repository

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MiS Preprint

Uniform Quantification of Correlations for Bipartite Systems

Ting-Gui Zhang, Hong Yang, Xianqing Li-Jost and Shao-Ming Fei


Based on the relative entropy, we give a unified characterization of quantum correlations for nonlocality, steerability, discord and entanglement for any bipartite quantum states. For two-qubit states we show that the quantities obtained from quantifying nonlocality, steerabiity, entanglement and discord have strictly monotonic relationship. As for examples, the Bell diagonal states are studied in detail.

Feb 15, 2017
Feb 20, 2017

Related publications

2017 Repository Open Access
Ting-Gui Zhang, Hong Yang, Xianqing Li-Jost and Shao-Ming Fei

Uniform quantification of correlations for bipartite systems

In: Physical review / A, 95 (2017) 4, p. 042316