Volume 45, Number 4, February II 1999
|Page(s)||431 - 436|
|Published online||01 September 2002|
Long-range order in a quasi one-dimensional non-equilibrium three-state lattice gas
Supercomputer Computations Research Institute,
Florida State University
Tallahassee, FL 32306-4130, USA
2 Department of Physics and Center for Stochastic Processes in Science and Engineering Virginia Polytechnic Institute and State University - Blacksburg, VA. 24061-0435, USA
Accepted: 1 December 1998
Biased diffusion of two species with conserved dynamics on a 2 × L periodic lattice is studied via Monte Carlo simulations. In contrast to its simple one-dimensional version on a ring, this quasi one-dimensional model surprisingly exhibits phase separation in its steady state, which is characterized by one macroscopic particle cluster. We study the order parameter and the cluster-size distributions as a function of the system size L, to support the above picture.
PACS: 05.20.-y – Classical statistical mechanics / 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems / 64.75.+g – Solubility, segregation, and mixing; phase separation
© EDP Sciences, 1999
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