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Development of 400-μW cryogen-free dilution refrigerators for quantum experiments

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We have successfully developed cryogen-free dilution refrigerators with medium cooling power that can be applied to quantum experiments.Breakthroughs have been made in some key technologies and components of heat switches and dilution units.Our prototype has been running continuously and stably for more than 100 hours below 10 mK,with a minimum temperature of 7.6 mK and a cooling power of 450 μW at 100 mK.At the same time,we have also made progress in the application of dilution refrigerators,such as quantum computing,low-temperature detector,and magnet integration.These indicators and test results indicate good prospects for application in physics,astronomy,and quantum information.

cryogen-free dilution refrigeratorquantum computinglow-temperature detectorsuperconduct-ing magnet

关翔、樊洁、边勇波、程智刚、姬忠庆

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Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China

School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China

Beijing Commission of Science and TechnologySpecial Research Assistant Program of the Chinese Academy of Sciences

Z211100004021012E3VP021RX4

2024

10.1088/1674-1056/ad3b87

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(7)
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