Fault-tolerant quantum computation versus Gaussian noise

Details Fault-tolerant quantum computation versus Gaussian noise Fault-tolerant quantum computation versus Gaussian noise

2008-10-27

arxiv.org/abs/0810.4953v1

Phys. Rev. A 79, 032318 (2009)

Physics

Quantum Physics

30 pages, 6 figures

Scientific paper

10.1103/PhysRevA.79.032318

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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