Scalable modular architecture for universal quantum computation

doi:10.21468/SciPostPhys.20.2.046

2026-02-01

Fernando Gago-Encinas

Christiane P. Koch *

DOI：10.21468/SciPostPhys.20.2.046

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摘要

En 中文

通用量子计算需要能够执行所有幺正操作，即演化算符可控性。鉴于开发资源高效的量子处理单元（QPUs），确定实现可控性所需的局部控制和量子比特-量子比特耦合的数量至关重要。不幸的是，评估大型量子比特阵列的可控性是一项艰巨的任务，由于希尔伯特空间维度的指数增长。这里我们表明，通过一个纠缠双量子比特门连接两个演化算符可控的量子比特阵列，足以获得一个演化算符可控的复合量子比特阵列。该证明为从具有减少数量的局部控制和耦合的小型构建模块构建模块化QPUs提供了一个模板。我们通过两个例子来说明该方法，分别包含10和127个量子比特，灵感来源于IBM量子处理器。

Keyword:

quantum computing

controllability

qubit arrays

modular architecture

universal quantum computation

期刊

SciPost Physics

IF:

5.4

论文数:

221

被引数:

8.8K

机构

free university of berlin

学者数:

3.7K

论文数: 1.5K

被引数: 1

引用论文

Quantum error correction below the surface code threshold 低于表面码阈值的量子纠错

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