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Journal Articles Physical Review E : Statistical, Nonlinear, and Soft Matter Physics Year : 2023

Validity of path thermodynamic description of reactive systems: Microscopic simulations

Abstract

Traditional stochastic modeling of reactive systems limits the domain of applicability of the associated path thermodynamics to systems involving a single elementary reaction at the origin of each observed change in composition. An alternative stochastic modeling has recently been proposed to overcome this limitation. These two ways of modeling reactive systems are in principle incompatible. The question thus arises about choosing the appropriate type of modeling to be used in practical situations. In the absence of sufficiently accurate experimental results, one way to address this issue is through the microscopic simulation of reactive fluids, usually based on hard-sphere dynamics in the Boltzmann limit. In this paper, we show that results obtained through such simulations unambiguously confirm the predictions of traditional stochastic modeling, invalidating a recently proposed alternative.
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Dates and versions

hal-03800204 , version 1 (09-01-2023)

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Florence Baras, Alejandro L. Garcia, M. Malek Mansour. Validity of path thermodynamic description of reactive systems: Microscopic simulations. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2023, 107 (1), pp.014106. ⟨10.1103/PhysRevE.107.014106⟩. ⟨hal-03800204⟩
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