Some Positive Thoughts about Negative Absolute Temperature
Resonance(2024)
摘要
The concept of negative absolute temperature has been widely accepted now and is not just a theoretical curiosity. In this brief report, by combining the formulas used in statistical mechanics and thermodynamics, we have explained some aspects of negative temperature (both mathematically and graphically) in a two-level system. We believe that these simple calculations may give useful and concrete insights into negative absolute temperature to undergraduate students.
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关键词
Entropy,Thermodynamic probability,Two level system,Negative absolute temperature
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