Fault-tolerant quantum computation versus Gaussian noise

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Authors
Ng, Hui Khoon
Preskill, John
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Abstract
Description
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.
Comment: 30 pages, 6 figures
Keywords
Quantum Physics, Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Superconductivity
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