Quantum dynamical semigroups and non-decomposable positive maps
classification
🪐 quant-ph
keywords
positivedynamicalmapsnon-decomposablesemigroupsanalyzebipartitebound-entangled
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We study dynamical semigroups of positive, but not completely positive maps on finite-dimensional bipartite systems and analyze properties of their generators in relation to non-decomposability and bound-entanglement. An example of non-decomposable semigroup leading to a 4x4-dimensional bound-entangled density matrix is explicitly obtained.
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