Noise enhancing the classical information capacity of a quantum channel

被引：11
|
作者：
Bowen, G
Mancini, S [1 ]
机构：
[1] Univ Camerino, INFM, I-62032 Camerino, Italy
[2] Univ Camerino, Dept Phys, I-62032 Camerino, Italy
[3] Univ Warwick, Dept Comp Sci, Coventry CV4 7AL, W Midlands, England
来源：
PHYSICS LETTERS A | 2004年 / 321卷 / 01期
关键词：
D O I：
10.1016/j.physleta.2003.11.058
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a simple model of quantum communication where a noisy quantum channel may benefit from the addition of further noise at the decoding stage. We demonstrate enhancement of the classical information capacity of an amplitude damping channel, with a predetermined detection threshold, by the addition of noise in the decoding measurement. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1 / 5
页数：5
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