Minimum output entropy of a Gaussian Bosonic channel

被引：0
|
作者：
Giovannetti, V
Maccone, L
Guha, S
Lloyd, S
Shapiro, JH
Yen, BJ
机构：
[1] INFM, NEST, I-56126 Pisa, Italy
[2] Scuola Normale Super Pisa, I-56126 Pisa, Italy
[3] Univ Pavia, QUIT, Dipartimento Fis A Volta, I-27100 Pavia, Italy
[4] MIT, Elect Res Lab, Cambridge, MA 02139 USA
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2005年 / 3卷 / 01期
关键词：
quantum channels; entropy; additivity; capacity; Bosonic channels;
D O I：
10.1142/S0219749905000657
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The entropy at the output of a Bosonic channel is analyzed when coherent fields are randomly added to the signal. Coherent-state inputs are conjectured to provide the minimum output entropy. Supporting physical and mathematical evidence is provided.
引用
收藏
页码：153 / 158
页数：6
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