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説明:

A low circuit resistance is required for a superconducting magnet operated in persistent mode using superconducting joints. We performed current decay measurements on a high-temperature superconducting (HTS) closed loop with a superconducting joint to evaluate the time dependence of current and resistance. The results were quantitatively explained considering current sharing and flux creep. After the elapse of 10^5 s, current sharing was suppressed and a circuit resistance of less than 10^−13 Ω was observed. The main finding is that joint resistance for an HTS closed loop is inversely proportional to time, contributing to the low circuit resistance.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Superconducting joint

刊行年月日: 2023-09-01

出版者: IOP Publishing

掲載誌:

• Applied Physics Express (ISSN: 18820786) vol. 16 issue. 9 093002

研究助成金:

• JST-Mirai Program JPMJMI17A2
• Japan Society for the Promotion of Science JP22H01522
• Japan Society for the Promotion of Science JP22K14482

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.35848/1882-0786/acf7a9

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更新時刻: 2024-04-05 12:30:32 +0900

MDRでの公開時刻: 2024-04-05 12:30:32 +0900