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On Quantum Correlations and Positive Maps
Authors:Majewski  Władysław A.
Affiliation:(1) Institute of Theoretical Physics and Astrophysics, Gdańsk University, Wita Stwosza 57, 80-952 Gdańsk, Poland
Abstract:We present a discussion on local quantum correlations and their relations with entanglement. We prove that a vanishing coefficient of quantum correlations implies separability. The new results on locally decomposable maps which we obtain in the course of the proof also seem to be of independent interest.
Keywords:C *-algebra  positive maps  quantum correlations  separable states
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