Latent heat and the Fourier law

We present computer simulations run with a stochastic cellular automaton which describes d=1 particle systems connected to reservoirs which keep two different densities at the endpoints. We fix the parameters so that there is a phase transition (of the van der Waals type) and observe that if the den...

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Bibliographic Details
Published inPhysics letters. A Vol. 380; no. 20; pp. 1710 - 1713
Main Authors Colangeli, M., De Masi, A., Presutti, E.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 29.04.2016
Subjects
Boundaries
Cellular automata
Cellular automaton
Computer simulation
Density
Fourier and Fick law
Latent heat
Metastability
Phase transformations
Reservoirs
Solid state physics
Fourier and Fick law
Cellular automaton
Metastability
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Summary:We present computer simulations run with a stochastic cellular automaton which describes d=1 particle systems connected to reservoirs which keep two different densities at the endpoints. We fix the parameters so that there is a phase transition (of the van der Waals type) and observe that if the densities at the boundaries are metastable then, after a transient, the system reaches an apparently stationary regime where the current flows from the reservoir with smaller density to the one with larger density. •A stationary current from the smaller to the larger density reservoir is investigated.•The Fourier Law in systems with Kac potential and metastable boundaries is studied.•The mean field limit of our model is discussed.
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ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2016.03.025