Investigation and optimization of the continuous and discrete heat exchangers in the mK dilution refrigerator for cooling superconducting quantum chips. Proceedings of The 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference (ICEC 29-ICMC 2024), Geneva, Switzerland UK, July 22-26, 2024, IOP Conf. Series: Materials Science and Engineering 1327 (2025) 012195. doi:10.1088/1757-899X/1327/1/012195.

公司参与发表的学术论文

02). Investigation and optimization of the continuous and discrete heat exchangers in the mK dilution refrigerator for cooling superconducting quantum chips. Proceedings of The 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference (ICEC 29-ICMC 2024), Geneva, Switzerland UK, July 22-26, 2024, IOP Conf. Series: Materials Science and Engineering 1327 (2025) 012195. doi:10.1088/1757-899X/1327/1/012195.

【用于冷却超导量子芯片的mK稀释制冷机中连续和离散热交换器的研究与优化】

论文下载：PDF文档

【论文摘要翻译】

　　近十年来，超导量子计算技术发展迅速，其芯片工作温度要求在100mK以下。稀释制冷机因其能够连续稳定运行、振动小、电磁干扰小等优点，成为实现这一目标的制冷技术。根据卡皮查热阻效应，稀释制冷机中的换热器可分为连续式和离散式，它们的流动和传热特性对制冷机的性能至关重要。本文建立了稀释制冷机中换热器的数值模型，并在此基础上研究了尺寸、卡皮查热阻和粘性加热对制冷性能的影响。给出了最优参数，理论上稀释单元的制冷能力在20mK时可从19μW提升到25.2μW，这将为需要更多量子比特的量子计算机提供更好的温度环境。