We consider diffusive lattice gases on a ring and analyze the stability of their density profiles conditionally to a current deviation. Depending on the current, one observes a phase transition between a regime where the density remains constant and another regime where the density becomes time dependent. Numerical data confirm this phase transition. This time dependent profile persists in the large drift limit and allows one to understand on physical grounds the results obtained earlier for the totally asymmetric exclusion process on a ring.
Distribution of current in nonequilibrium diffusive systems and phase transitions.
Published 2005 in Physical review. E, Statistical, nonlinear, and soft matter physics
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- Publication year
2005
- Venue
Physical review. E, Statistical, nonlinear, and soft matter physics
- Publication date
2005-06-21
- Fields of study
Medicine, Physics
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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