更快减少约瑟夫森结阵列通量捕获的电压监测方法

IF 1.1 3区 物理与天体物理 Q4 PHYSICS, APPLIED
Guanhua She, Huan Qiao, Wenhui Cao, Jinjin Li, Jing Zeng, Jun Wan, Qing Zhong, Yuan Zhong, Shijian Wang
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引用次数: 0

摘要

根据超导器件在超导转变过程中的电阻变化特征,提出了一种确定超导器件温度的定量方法。这种方法可以实时检测超导器件的温度是否超过超导转变温度,从而快速减少器件中的捕获磁通。我们在使用 22 子阵列可编程约瑟夫森电压标准超导器件的实验中应用了这种方法,并取得了令人满意的结果。我们的结论是,这种方法可以有效降低超导设备中的陷波磁通量,并为不具备温度计的测量系统提供测试便利。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A Voltage Monitoring Approach for Faster Reducing Flux Trapping in Josephson Junction Arrays

A Voltage Monitoring Approach for Faster Reducing Flux Trapping in Josephson Junction Arrays

A Voltage Monitoring Approach for Faster Reducing Flux Trapping in Josephson Junction Arrays

Based on the characteristic change in the resistance of superconducting devices during the superconducting transition, a quantitative method to determine the temperature of superconducting devices has been proposed. This method can detect in real time whether the temperature of the superconducting device exceeds the superconducting transition temperature, thereby enabling quick reduction of the trapped magnetic flux in devices. We apply this method in our experiment, which uses a superconducting 22 subarrays programmable Josephson voltage standard device and obtains satisfactory results. We conclude that this method can efficiently reduce the trapped magnetic flux in superconducting devices and facilitate testing for measurement systems which do not possess thermometers.

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来源期刊
Journal of Low Temperature Physics
Journal of Low Temperature Physics 物理-物理:凝聚态物理
CiteScore
3.30
自引率
25.00%
发文量
245
审稿时长
1 months
期刊介绍: The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.
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