An entropic analysis of approximate quantum error correction

被引：5

作者：

Cafaro, Carlo ^{[1
,2
]}

van Loock, Peter ^{[2
]}

机构：

[1] Max Planck Inst Sci Light, D-91058 Erlangen, Germany

[2] Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2014年 / 404卷

关键词：

Entropy; Quantum error correction; Thermodynamics; PHYSICAL LIMITS; INFORMATION; DISTINGUISHABILITY; DEMON;

D O I：

10.1016/j.physa.2014.02.070

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The concept of entropy and the correct application of the Second Law of thermodynamics are essential in order to understand the reason why quantum error correction is thermodynamically possible and no violation of the Second Law occurs during its execution. We report in this work our first steps towards an entropic analysis extended to approximate quantum error correction (QEC). Special emphasis is devoted to the link among quantum state discrimination (QSD), quantum information gain, and quantum error correction in both the exact and approximate QEC scenarios. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：34 / 46

页数：13

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