Superstatistics as the thermodynamic limit of driven classical systems
Statistical Mechanics
2025-03-25 v1
Abstract
Superstatistics is an elegant framework for the description of steady-state thermodynamics, mostly used for systems with long-range interactions such as plasmas. In this work, we show that the potential energy distribution of a classical system under externally imposed energy fluctuations can also be described by superstatistics in the thermodynamic limit. As an example, we apply this formalism to the thermodynamics of a finite Lennard-Jones crystal with constant microcanonical heat capacity driven by sinusoidal energy oscillations. Our results show that molecular dynamics simulations of the Lennard-Jones crystal are in agreement with the provided theoretical predictions.
Cite
@article{arxiv.2406.11705,
title = {Superstatistics as the thermodynamic limit of driven classical systems},
author = {Sergio Davis and Claudia Loyola and Carlos Femenías and Joaquín Peralta},
journal= {arXiv preprint arXiv:2406.11705},
year = {2025}
}