Cryogenic Current Comparators for the Realisation of Electrical Quantum Standards

被引:0
|
作者
J. M. Williams
机构
[1] National Physical Laboratory,
来源
MAPAN | 2013年 / 28卷
关键词
Current comparator; SQUID; Josephson; Quantum Hall; Electron pump;
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学科分类号
摘要
The cryogenic current comparator has played a central role in the realisation of electrical quantum standards over the last 40 years. It is the method of choice for National Measurement Laboratories in realising a quantum Hall effect primary standard of resistance. Single electron transport devices are expected to provide a primary standard of current within the next few years and this paper considers how they will be integrated into electrical metrology.
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页码:335 / 340
页数:5
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