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Abstract / Description of output
We introduce a class of 1D models mimicking a single-lane bridge with two junctions and two particle species driven in opposite directions. The model exhibits spontaneous symmetry breaking (SSB) for a range of injection/extraction rates. In this phase the steady-state currents of the two species are not equal. Moreover, there is a co-existence region in which the symmetry-broken phase co-exists with a symmetric phase. Along a path in which the extraction rate is varied, keeping the injection rate fixed and large, hysteresis takes place. The mean-field phase diagram is calculated and supporting Monte Carlo simulations are presented. One of the transition lines exhibits a kink, a feature which cannot exist in transition lines of equilibrium phase transitions.
Original language | English |
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Article number | 432002 |
Pages (from-to) | - |
Number of pages | 10 |
Journal | Journal of physics a-Mathematical and theoretical |
Volume | 41 |
Issue number | 43 |
DOIs | |
Publication status | Published - 31 Oct 2008 |
Keywords / Materials (for Non-textual outputs)
- ASYMMETRIC EXCLUSION MODEL
- DRIVEN DIFFUSIVE SYSTEM
- PHASE-TRANSITIONS
- STEADY-STATES
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Dive into the research topics of 'Spontaneous symmetry breaking in a bridge model fed by junctions'. Together they form a unique fingerprint.Projects
- 1 Finished
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Edinbugrh Soft Matter and Statistical Physics Programme Grant Renewal
Cates, M., Poon, W., Ackland, G., Clegg, P., Evans, M., MacPhee, C. & Marenduzzo, D.
1/10/07 → 31/03/12
Project: Research