Robust quantum random access memory

F.-Y. Hong, Y. Xiang, Z.-Y. Zhu, L.-Z. Jiang, L.-N. Wu · 2012 · Phys. Rev. A

| 编号 QR024 | 主题 架构设计 | 链接 arXiv:1201.2250 |

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。

A “bucket brigade” architecture for a quantum random memory of $N=2^{\pi }$ memory cells needs $n(n+5)/2$ times of quantum manipulation on control circuit nodes per memory call. Here we propose a scheme, in which only average $n/2$ times manipulation is required to accomplish a memory call. This scheme may significantly decrease the time spent on a memory call and the average overall error rate per memory call. A physical implementation scheme for storing an arbitrary state in a selected memory cell followed by reading it out is discussed.

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