Development of 400-μW cryogen-free dilution refrigerators for quantum experiments
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 fo...
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Published in | Chinese physics B Vol. 33; no. 7; pp. 70701 - 35 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
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Chinese Physical Society and IOP Publishing Ltd
01.06.2024
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Abstract | 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. |
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AbstractList | 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. |
Author | Fan, Jie Cheng, Zhi-Gang Ji, Zhong-Qing Bian, Yong-Bo Guan, Xiang |
Author_xml | – sequence: 1 givenname: Xiang surname: Guan fullname: Guan, Xiang organization: Chinese Academy of Sciences Institute of Physics, Beijing 100190, China – sequence: 2 givenname: Jie surname: Fan fullname: Fan, Jie organization: Chinese Academy of Sciences Institute of Physics, Beijing 100190, China – sequence: 3 givenname: Yong-Bo surname: Bian fullname: Bian, Yong-Bo organization: Chinese Academy of Sciences Institute of Physics, Beijing 100190, China – sequence: 4 givenname: Zhi-Gang surname: Cheng fullname: Cheng, Zhi-Gang organization: University of Chinese Academy of Sciences School of Physical Sciences, Beijing 100190, China – sequence: 5 givenname: Zhong-Qing surname: Ji fullname: Ji, Zhong-Qing organization: Chinese Academy of Sciences Institute of Physics, Beijing 100190, China |
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Cites_doi | 10.1088/1757-899X/1241/1/012045 10.1016/j.cryogenics.2023.103649 10.1016/j.cryogenics.2021.103390 10.1088/1674-1056/ac9042 10.1038/s41534-023-00712-w 10.1016/j.cryogenics.2023.103632 |
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References | Matthew (cpb_33_7_070701bib3) 2022; 1241 Matthew (cpb_33_7_070701bib4) 2023 Poole (cpb_33_7_070701bib12) 2023; 130 Li (cpb_33_7_070701bib14) 2023; 9 Zu (cpb_33_7_070701bib1) 2022; 121 cpb_33_7_070701bib9 Ji (cpb_33_7_070701bib11) 2022; 31 cpb_33_7_070701bib7 cpb_33_7_070701bib8 cpb_33_7_070701bib5 Uhlig (cpb_33_7_070701bib10) 2023; 130 cpb_33_7_070701bib6 cpb_33_7_070701bib2 Yan (cpb_33_7_070701bib13) 1985 |
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Snippet | We have successfully developed cryogen-free dilution refrigerators with medium cooling power that can be applied to quantum experiments. Breakthroughs have... We have successfully developed cryogen-free dilution refrigerators with medium cooling power that can be applied to quantum experiments.Breakthroughs have been... |
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SubjectTerms | cryogen-free dilution refrigerator low-temperature detector quantum computing superconducting magnet |
Title | Development of 400-μW cryogen-free dilution refrigerators for quantum experiments |
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