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Open Quantum Systems Decoherence
Degradable channels, less noisy channels, and quantum statistical morphisms: an equivalence relation
arXiv
Authors: Francesco Buscemi
Year
2015
Paper ID
25903
Status
Preprint
Abstract Read
~2 min
Abstract Words
75
Citations
N/A
Abstract
Two partial orderings among communication channels, namely, `being degradable into' and `being less noisy than,' are reconsidered in the light of recent results about statistical comparisons of quantum channels. Though our analysis covers at once both classical and quantum channels, we also provide a separate treatment of classical noisy channels, and show how, in this case, an alternative self-contained proof can be constructed, with its own particular merits with respect to the general result.
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- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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- Two partial orderings among communication channels, namely, `being degradable into' and `being less noisy than,' are reconsidered in the light of recent results about...
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