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Квантовая физика и квантовая информация
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Divisibility of quantum channels and entanglement David Davalos Universidad Nacional Autónoma de México |
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Аннотация: I will give a brief summary of the pertinent literature of the latest developments in the divisibility theory of quantum channels. I will focus on the case of qubit channels and I will give the necessary tools to characterize the type of divisibility related with one-parameter semigroups. Later on, and toghether with other types of divisibility, I will present the calculations for the characterizations of almost the whole space of qubit channels. Finally I will comment on the relation of divisibile but not infinitesimal divisible qubit channles with entanglement-breaking. |
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