Fault-tolerant resource estimation of quantum random-access memories

O. Di Matteo, V. Gheorghiu, M. Mosca · 2020 · IEEE Trans. Quantum Eng.

| 编号 QR009 | 主题 噪声与容错 | 链接 arXiv:1902.01329 |

摘要

摘要保留原文（英文）

摘要取自 arXiv / 出版方元数据，未作翻译，以保证与原文一致。

Quantum random-access look-up of a string of classical bits is a necessary ingredient in several important quantum algorithms. In some cases, the cost of such quantum random-access memory (qRAM) is the limiting factor in the implementation of the algorithm. In this paper we study the cost of fault-tolerantly implementing a qRAM. We construct and analyze generic families of circuits that function as a qRAM, discuss opportunities for qubit-time tradeoffs, and estimate their resource costs when embedded in a surface code.

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