Spontaneous Symmetry Breaking in a Non-Conserving Two-Species Driven Model

A two species particle model on an open chain with dynamics which is non-conserving in the bulk is introduced. The dynamical rules which define the model obey a symmetry between the two species. The model exhibits a rich behavior which includes spontaneous symmetry breaking and localized shocks. The...

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Veröffentlicht in:arXiv.org 2003-11
Hauptverfasser: Levine, E, Willmann, R D
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description A two species particle model on an open chain with dynamics which is non-conserving in the bulk is introduced. The dynamical rules which define the model obey a symmetry between the two species. The model exhibits a rich behavior which includes spontaneous symmetry breaking and localized shocks. The phase diagram in several regions of parameter space is calculated within mean-field approximation, and compared with Monte-Carlo simulations. In the limit where fluctuations in the number of particles in the system are taken to zero, an exact solution is obtained. We present and analyze a physical picture which serves to explain the different phases of the model.
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subjects Broken symmetry
Chain dynamics
Computer simulation
Monte Carlo simulation
Phase diagrams
Symmetry
Variation
title Spontaneous Symmetry Breaking in a Non-Conserving Two-Species Driven Model
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