A Markov-Dobrushin Inequality for Quantum Channels

被引：9

作者：

Accardi, Luigi ^{[1
]}

Lu, Yun Gang ^{[2
]}

Souissi, Abdessatar ^{[3
,4
,5
]}

机构：

[1] Univ Roma Tor Vergata, Ctr Vito Volterra, I-00133 Rome, Italy

[2] Univ Bari, Dipartimento Matemat, Via Orabona 4, I-70125 Bari, Italy

[3] Qassim Univ, Coll Business Management, Dept Accounting, Buraydah 52571, Saudi Arabia

[4] Carthage Univ, Preparatory Inst Sci & Tech Studies La Marsa, Tunis, Tunisia

[5] Univ Carthage, LR18ES45, Quantum Modeling & Mech Design, Math Phys, Carthage, Tunisia

来源：

OPEN SYSTEMS & INFORMATION DYNAMICS | 2021年 / 28卷 / 04期

关键词：

Quantum channels; Markov-Dobrushin inequality; Markov chains; Pauli channels;

D O I：

10.1142/S1230161221500189

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We propose a quantum extension of the Markov-Dobrushin inequality. As an application, we estimate the Markov-Dobrushin constant for some classes of quantum Markov channels, in particular for the Pauli channel, widely studied in quantum information theory.

引用

页数：18

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