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Abstract: We investigate the state space of bipartite qutrits. We construct an analogto the -magic- tetrahedron for bipartite qubits-a magic simplex W. It isformed by all convex combination of nine Bell states which are constructedusing the Weyl operators. Due to the high symmetry it is enough to considercertain typical slices through W. Via optimal entanglement witnesses we findregions of bound entangled states inside W.



Autor: B. Baumgartner, B.C. Hiesmayr, H. Narnhofer

Fuente: https://arxiv.org/







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