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27 April 2024

» arxiv » quant-ph/0211093

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The Holevo-Schumacher-Westmoreland Channel Capacity for a Class of Qudit Unital Channels
John A. Cortese ;
Date:	15 Nov 2002
Subject:	quant-ph
Abstract:	The Holevo-Schumacher-Westmoreland (HSW) classical (entanglement-unassisted) channel capacity for a class of qudit unital channels is shown to be C = log2(d) - Smin, where d is the dimension of the qudit, and Smin is the minimum possible von Neumann entropy at the channel output. The HSW channel capacity for tensor products of this class of unital qudit channels is shown to obey the same formula.
Source:	arXiv, quant-ph/0211093
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