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Comment on the paper “Microcanonical analysis of Boltzmann and Gibbs entropies in trapped cold atomic gases, K.J. Higginbotham, D.E. Sheehy, Physica A 536(2019) 122547”
Physica A: Statistical Mechanics and its Applications ( IF 2.8 ) Pub Date : 2020-07-23 , DOI: 10.1016/j.physa.2020.124963
Ji-Xuan Hou

In the commented paper, the authors study a gas of noninteracting fermions confined in a one-dimensional harmonic trap, and calculate the Boltzmann temperature and the Gibbs temperature of this system. They find that the Gibbs temperature is closer to the corresponding temperature given by the grand-canonical approach than the Boltzmann temperature. In this comment we point out their conclusion is not always true.



中文翻译:

评论文章“捕获的冷原子气体中玻尔兹曼和吉布斯熵的微规范分析,KJ Higginbotham,DE Sheehy,Physica A 536(2019)122547”

在这篇评论文章中,作者研究了局限于一维谐波阱中的非相互作用费米子气体,并计算了该系统的玻尔兹曼温度和吉布斯温度。他们发现,吉布斯温度比玻尔兹曼温度更接近大规范方法给出的相应温度。在此评论中,我们指出他们的结论并不总是正确的。

更新日期:2020-07-23
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