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Andreas Winter
Researcher at Autonomous University of Barcelona
Publications - 425
Citations - 25110
Andreas Winter is an academic researcher from Autonomous University of Barcelona. The author has contributed to research in topics: Quantum & Quantum entanglement. The author has an hindex of 71, co-authored 407 publications receiving 21729 citations. Previous affiliations of Andreas Winter include Bielefeld University & Massachusetts Institute of Technology.
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Private capacity of quantum channels is not additive.
TL;DR: It is concluded for the first time that the classical private capacity is nonadditive: in this construction even the quantum capacity of the tensor product of two channels can be greater than the sum of their individual classical private capacities.
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Robustness of Quantum Markov Chains
TL;DR: It is shown that for tri-partite quantum states the quantum conditional information is always a lower bound for the minimum relative entropy distance to a quantum Markov chain state, but the distance can be much greater; indeed the two quantities can be of different asymptotic order and may even differ by a dimensional factor.
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Estimating quantum chromatic numbers
TL;DR: The tracial rank of a graph is a parameter that gives a lower bound for the commuting quantum chromatic number and parallels the projective rank, and it is multiplicative.
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Distilling common randomness from bipartite quantum states
Igor Devetak,Andreas Winter +1 more
TL;DR: A single-letter formula for the optimal tradeoff between the extracted common randomness and classical communication rate is obtained for the special case of classical-quantum correlations.
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Generalized laws of thermodynamics in the presence of correlations.
Manabendra Nath Bera,Manabendra Nath Bera,Arnau Riera,Arnau Riera,Maciej Lewenstein,Maciej Lewenstein,Andreas Winter,Andreas Winter +7 more
TL;DR: In this article, the authors exploit the connection between information and physics, and introduce a consistent redefinition of heat dissipation by systematically accounting for the information flow from system to bath in terms of the conditional entropy.