Multipartite monogamous relations for entanglement and discord
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2018-01-24
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Amer Physical Soc
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The distribution of quantum correlations in multipartite systems plays a significant role in several aspects of quantum information theory. While it is well known that these quantum correlations cannot be freely distributed, the way that they are shared in a multipartite system is an open problem even for a small set of qubits. Based on monogamylike relations between entanglement and discord for n-partite systems, we show how these correlations are distributed in general, determining distinct equalities and inequalities to the quantum discord and the entanglement of formation for arbitrary multipartite pure states.
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Physical Review A. College Pk: Amer Physical Soc, v. 97, n. 1, 8 p., 2018.