Fault-tolerant quantum computation versus Gaussian noise

被引：48

作者：

Ng, Hui Khoon ^{[1
]}

Preskill, John ^{[1
]}

机构：

[1] CALTECH, Inst Quantum Informat, Pasadena, CA 91125 USA

来源：

PHYSICAL REVIEW A | 2009年 / 79卷 / 03期

基金：

美国国家科学基金会;

关键词：

fault tolerant computing; Gaussian noise; Markov processes; quantum computing; quantum noise; ACCURACY THRESHOLD;

D O I：

10.1103/PhysRevA.79.032318

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the robustness of a fault-tolerant quantum computer subject to Gaussian non-Markovian quantum noise, and we show that scalable quantum computation is possible if the noise power spectrum satisfies an appropriate "threshold condition." Our condition is less sensitive to very-high-frequency noise than previously derived threshold conditions for non-Markovian noise.

引用

页数：20

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