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Cosmic-ray-induced correlated errors in superconducting qubit array

delete2025-05-20
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OA
AI
X
Xuegang Li
J
Junhua Wang
Y
Yao-Yao Jiang
G
Guangming Xue
X
Xiaoxia Cai
周
周俊 (Jun Zhou)
M
Ming Gong
Z
Zhaofeng Liu
S
Shuang-Yu Zheng
D
Deng-Ke Ma
M
Mo Chen
W
Weijie Sun
S
Shuang Yang
F
Fei Yan
Y
Yirong Jin
S
S. P. Zhao
X
Xuefeng Ding *
H
Haifeng Yu *
DOI:10.1038/s41467-025-59778-zdelete
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摘要

摘要

En 中文
相关性错误可能破坏量子纠错,而量子纠错对于实现容错量子计算是必要的。最近的超导量子比特实验表明,它们可能源于由宇宙射线μ子和γ射线诱导的准粒子(QP)爆发。在这里,我们使用电荷-宇称跳跃和比特翻转来监测QP爆发,并在稀释制冷机中使用两个μ子探测器来检测μ子事件。我们直接观测到由μ子单独诱导的、导致相关性错误的QP爆发,并区分了μ子和γ射线的贡献。我们进一步研究了QP爆发的动态过程以及QP捕获对相关性错误和粒子检测的影响。所提出的方法,即监测多量子比特同时的电荷-宇称跳跃,对QP爆发具有高灵敏度,可能应用于宇宙射线粒子的探测、低质量暗物质的探测以及远红外光子的探测。
Keyword:
QUASI-PARTICLE
RADIATION

期刊

Nature Communications 封面图
Nature Communications
IF:
15.7
论文数:
9.6W
被引数:
91.2W

机构

C
Chinese Acad Sci
学者数:
1
论文数: 1
被引数: 0
H
Hefei Natl Lab
学者数:
231
论文数: 126
被引数: 60
B
Beijing Acad Quantum Informat Sci
学者数:
73
论文数: 36
被引数: 14
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