Title: Universal Bounds for the Holevo Quantity, Coherent Information, and the Jensen-Shannon Divergence
Authors: Roga, Wojciech ×
Fannes, Mark
Zyczkowski, Karol #
Issue Date: Jul-2010
Publisher: American Physical Society
Series Title: Physical Review Letters vol:105 issue:4 pages:-
Abstract: The mutual information between the sender of a classical message encoded in quantum carriers and a receiver is fundamentally limited by the Holevo quantity. Using strong subadditivity of entropy, we prove that the Holevo quantity is not larger than an exchange entropy. This implies an upper bound for coherent information. Moreover, restricting our attention to classical information, we bound the transmission distance between probability distributions by their entropic distance, which is a concave function of their Hellinger distance.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
× corresponding author
# (joint) last author

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