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Title: All nonclassical correlations can be activated into distillable entanglement
Authors: Piani, M.
Gharibian, S.
Adesso, G.
Calsamiglia, J.
Horodecki, P.
Winter, A. 
Issue Date: 3-Jun-2011
Citation: Piani, M., Gharibian, S., Adesso, G., Calsamiglia, J., Horodecki, P., Winter, A. (2011-06-03). All nonclassical correlations can be activated into distillable entanglement. Physical Review Letters 106 (22) : -. ScholarBank@NUS Repository.
Abstract: We devise a protocol in which general nonclassical multipartite correlations produce a physically relevant effect, leading to the creation of bipartite entanglement. In particular, we show that the relative entropy of quantumness, which measures all nonclassical correlations among subsystems of a quantum system, is equivalent to and can be operationally interpreted as the minimum distillable entanglement generated between the system and local ancillae in our protocol. We emphasize the key role of state mixedness in maximizing nonclassicality: Mixed entangled states can be arbitrarily more nonclassical than separable and pure entangled states. © 2011 American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.106.220403
Appears in Collections:Staff Publications

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