statistical ensemble: systems with fluctuating energy, particle number, and volume
arXiv:2011.05141 · doi:10.1038/s41598-021-94013-x
Abstract
Within the theory of statistical ensemble, the so-called ensemble describes equilibrium systems that exchange energy, particles, and volume with the surrounding. General, model-independent features of volume and particle number statistics are derived. Non-analytic points of the partition function are discussed in connection with divergent fluctuations and ensemble equivalence. Quantum and classical ideal gases, and a model of Bose gas with mean-field interactions are discussed as examples of the above considerations.
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