Fault-tolerant quantum computation versus Gaussian noise

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-f...

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Bibliographic Details
Published inarXiv.org
Main Authors Ng, Hui Khoon, Preskill, John
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 27.10.2008
Subjects
Computation
Fault tolerance
Markov processes
Noise
Noise sensitivity
Noise threshold
Physics - Mesoscale and Nanoscale Physics
Physics - Quantum Physics
Physics - Superconductivity
Quantum computers
Random noise
Robustness (mathematics)
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Summary: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.
Bibliography:SourceType-Working Papers-1
ObjectType-Working Paper/Pre-Print-1
content type line 50
CALT 68-2702
ISSN:2331-8422
DOI:10.48550/arxiv.0810.4953