Journal
PHYSICAL REVIEW A
Volume 79, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.032318
Keywords
fault tolerant computing; Gaussian noise; Markov processes; quantum computing; quantum noise
Categories
Funding
- DOE [DE-FG03-92-ER40701]
- NSF [PHY-0456720]
- NSA [W911NF-05-1-0294]
- Gordon and Betty Moore Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0803371] Funding Source: National Science Foundation
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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.
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