Approaches for approximate additivity of the Holevo information of quantum channels
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DOI: 10.1103/physreva.97.012332
Abstract: We study quantum channels that are close to another channel with weakly additive Holevo information and derive upper bounds on their classical capacity. Examples of channels with weakly additive Holevo information are entanglement-breaking channels, unital… read more here.
Keywords: holevo information; quantum; capacity; quantum channels ... See more keywords