Measurement of Melting Point of Gallium by Johnson Noise Thermometer Using Integrated Quantum Voltage Noise Source

Measurement of Melting Point of Gallium by Johnson Noise Thermometer Using Integrated Quantum Voltage Noise Source
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DOI:
10.1109/cpem.2018.8501236
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发表时间:
2018-07
期刊:
2018 Conference on Precision Electromagnetic Measurements (CPEM 2018)
影响因子:
--
通讯作者:
C. Urano;K. Yamazawa;N. Kaneko
C. Urano;K. Yamazawa;N. Kaneko
中科院分区:
其他
文献类型:
--
作者:
C. Urano;K. Yamazawa;N. Kaneko

文献摘要

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我们使用集成量子电压噪声源 (IQVNS) 作为参考,通过约翰逊噪声测温法 (JNT) 测量了镓熔点的热力学温度 $T_{\mathrm{Ga}}$。 $T_{\mathrm{Ga}}$ 是使用科学技术数据委员会 (CODATA) 为修订 SI 定义的基本常数计算的。 $T_{\mathrm{Ga}}$ 在统计不确定性范围内与 1990 年国际温标 (ITS-90) 中定义的值一致。
We have measured the thermodynamic temperature of the melting point of gallium, $T_{\mathrm{Ga}}$, by Johnson noise thermometry (JNT) using an integrated quantum voltage noise source (IQVNS) as a reference. $T_{\mathrm{Ga}}$ was calculated using the fundamental constants defined by the Committee on the Data for Science and Technology (CODATA) for the revision of the SI. $T_{\mathrm{Ga}}$ agreed with the value defined in International Temperature Scale of 1990 (ITS-90) within a statistical uncertainty.