Existence of a Non-Equilibrium Steady State for the Non-linear BGK equation on an interval
arXiv:2007.15387 · doi:10.2140/paa.2021.3.223
Abstract
We show existence of a non-equilibrium steady state for the one-dimensional, non-linear BGK model on an interval with diffusive boundary conditions. These boundary conditions represent the coupling of the system with two heat reservoirs at different temperatures. Our analysis is not perturbative around the equilibrium. We employ a fixed point argument to reduce the study of the model with non-linear collisional interactions to the linear BGK.
arXiv comment31 pages
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