用于标记来自宇宙源的μ子穿过量子处理器的双层硅像素探测器的概念研究
Conceptual study of a two-layer silicon pixel detector to tag the passage of muons from cosmic sources through quantum processors
AI总结:
针对宇宙μ子诱发量子处理器辐射错误的问题,本文通过稀释制冷机几何模型研究双层硅像素探测器的标记效率,并提出深低温、低功耗、可实时辅助量子纠错的探测器研发计划。
摘要:
近期量子计算研究表明,使用大量物理量子比特的量子纠错受到高能粒子电离辐射的限制。根据量子处理器的物理设置,来自宇宙源的μ子的贡献可能占这些相互作用的很大一部分。由于大多数此类μ子难以阻挡,我们转而开展一项双层硅像素探测器的概念研究,以标记它们对固态量子处理器的击中。利用典型的稀释制冷机几何模型,我们发现,如果至少有一层在制冷机的深低温(<1 K)法兰处运行,则最有可能实现大于50%的效率。基于这一发现,我们进一步提出一项新颖的研究计划,该计划可支持开发足够快、能够为量子纠错算法提供输入、可在深低温下运行且具有极低功耗的硅像素探测器。
英文摘要:
Recent studies in quantum computing have shown that quantum error correction with large numbers of physical qubits are limited by ionizing radiation from high-energy particles. Depending on the physical setup of the quantum processor, the contribution of muons from cosmic sources can constitute a significant fraction of these interactions. As most of these muons are difficult to stop, we perform a conceptual study of a two-layer silicon pixel detector to tag their hits on a solid-state quantum processor instead. With a typical dilution refrigerator geometry model, we find that efficiencies greater than 50% are most likely to be achieved if at least one of the layers is operated at the deep-cryogenic (<1 K) flanges of the refrigerator. Following this finding, we further propose a novel research program that could allow the development of silicon pixel detectors that are fast enough to provide input to quantum error correction algorithms, can operate at deep-cryogenic temperatures, and have very low power consumption.
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