Distance bounds on quantum dynamics

被引：47

作者：

Lidar, Daniel A. ^{[1
,2
,3
]}

Zanardi, Paolo ^{[3
]}

Khodjasteh, Kaveh ^{[3
]}

机构：

[1] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA

[2] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA

[3] Univ So Calif, Ctr Quantum Informat Sci & Technol, Dept Phys, Los Angeles, CA 90089 USA

来源：

PHYSICAL REVIEW A | 2008年 / 78卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevA.78.012308

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We derive rigorous upper bounds on the distance between quantum states in an open-system setting in terms of the operator norm between Hamiltonians describing their evolution. We illustrate our results with an example taken from protection against decoherence using dynamical decoupling.

引用

页数：7

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