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2003•AIP conference proceedingsRequires access

Thermodynamic Consistency of the New Ultra-Low Temperature Scale PLTS-2000

G. Schuster

Open publisher page 6 citations

Abstract

The thermodynamic consistency of the temperature scale PLTS‐2000 has been checked with new measurements using a noise thermometer, which is assumed to indicate thermodynamic temperature, and a platinum nuclear magnetic resonance thermometer, which is assumed to follow a Curie law. The different results are interpreted in terms of the properties of these thermometers, and with supporting calculations using the specific heats of solid and liquid 3He. On this basis, it is possible to specify uncertainty limits of the scale with respect to thermodynamic temperature.

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What this paper is about

The thermodynamic consistency of the temperature scale PLTS‐2000 has been checked with new measurements using a noise thermometer, which is assumed to indicate thermodynamic temperature, and a platinum nuclear magnetic resonance thermometer, which is assumed to follow a Curie law. The different results are interpreted in terms of the properties of these thermometers, and with supporting calculations using the specific heats of solid and liquid 3He. On this basis, it is possible to specify uncertainty limits of the scale with respect to thermodynamic temperature.

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Available abstract

The thermodynamic consistency of the temperature scale PLTS‐2000 has been checked with new measurements using a noise thermometer, which is assumed to indicate thermodynamic temperature, and a platinum nuclear magnetic resonance thermometer, which is assumed to follow a Curie law. The different results are interpreted in terms of the properties of these thermometers, and with supporting calculations using the specific heats of solid and liquid 3He. On this basis, it is possible to specify uncertainty limits of the scale with respect to thermodynamic temperature.

Key concepts: Thermodynamic temperature, Scale of temperature, Thermometer, Thermodynamics, Consistency (knowledge bases), Scale (ratio), Temperature measurement, International Temperature Scale of 1990

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