Abstract
THE Kelvin temperature scale used at present is linear, forming an ordered sequence of numbers: for all normal thermodynamic states. If the so-called ‘abnormal’ thermodynamic states are admitted, the foregoing thermodynamic scale can be extended by adding a sequence of negative temperatures1,2. Alternatively, if the following relation is introduced: where ψ = ∫ g(θ)dθ and depends on the thermal properties (θ) of the system (refs. 3, 4, 5); T, absolute temperature (°K); it is possible to construct another temperature scale, the ψ-scale, or the logarithmic scale. Fig. 1 shows the relation between both these temperature scales.
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References
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GROVES, W., LIELMEZS, J. The Linear Temperature Scale. Nature 205, 489 (1965). https://doi.org/10.1038/205489a0
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DOI: https://doi.org/10.1038/205489a0
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