Transmission rate of classical information through the thermalizing quantum channel

被引：1

作者：

Ban, M ^{[1
]}

机构：

[1] Hitachi Ltd, Adv Res Lab, Hatoyama, Saitama 3500395, Japan

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 2003年 / 36卷 / 26期

关键词：

D O I：

10.1088/0305-4470/36/26/311

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The transmission rate of classical information sent through the thermalizing quantum channel is considered. The entanglement-assisted capacity, the Holevo capacity and the capacity of the quantum dense coding are analytically obtained and their properties are investigated. It is found that due to the unlimited use of quantum entanglement, the entanglement-assisted capacity becomes much greater than any other capacities when the channel noise is very large and the signal power is very weak.

引用

页码：7397 / 7409

页数：13

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