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Physical Review Letters
Paper

Effective fault-tolerant quantum computation with slow measurements

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Abstract

How important is fast measurement for fault-tolerant quantum computation? Using a combination of existing and new ideas, we argue that measurement times as long as even 1000 gate times or more have a very minimal effect on the quantum accuracy threshold. This shows that slow measurement, which appears to be unavoidable in many implementations of quantum computing, poses no essential obstacle to scalability. © 2007 The American Physical Society.

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Physical Review Letters

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