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Artykuły (WFAIS) Przeglądanie wg autora "Bylicka, Bogna"

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Artykuły (WFAIS) Przeglądanie wg autora "Bylicka, Bogna"

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  • Circulant states with vanishing quantum discord 
    Bylicka, Bogna; Chruściński, Dariusz (2011-04-10)
    We analyze a class of 2-qudit circulant states. They define generalization of well known 2-qubit X-states. We formula the necessary and sufficient criteria for vanishing quantum discord. We illustrate our analysis by an ...
  • Witnessing quantum discord in 2 x N systems 
    Bylicka, Bogna; Chruściński, Dariusz (2010-04-03)
    Bipartite states with vanishing quantum discord are necessarily separable and hence positive partial transpose (PPT). We show that 2 x N states satisfy additional property: the positivity of their partial transposition is ...