Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2000-12-11
Physics
Condensed Matter
Statistical Mechanics
To be published in: Nonlinear Phenomena and Complex Systems Series: `Instabilities and Nonequilibrium Structures' VIII; Editor
Scientific paper
We study a charged Brownian gas with a non uniform bath temperature, and present a thermohydrodynamical picture. Expansion on the collision time probes the validity of the local equilibrium approach and the relevant thermodynamical variables. For the linear regime we present several applications (including some novel results). For the lowest nonlinear expansion and uniform bath temperature we compute the gradient corrections to the local equilibrium approach and the fundamental (Smoluchowsky) equation for the nonequilibrium particle density.
Barreiro Luiz Antonio
Campanha Jose R.
Lagos Roberto E.
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