| Issue |
EPL
Volume 81, Number 3, February 2008
|
|
|---|---|---|
| Article Number | 30005 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/81/30005 | |
| Published online | 31 December 2007 | |
Nonequilibrium tricriticality in one dimension
Institute of Physics - Bhubaneswar-751005, India
Corresponding authors: jayamaji@iopb.res.in somen@iopb.res.in
Received:
28
August
2007
Accepted:
29
November
2007
We show the existence of a nonequilibrium tricritical point induced by a repulsive interaction in one-dimensional asymmetric exclusion processes. The tricritical point is associated with the particle-hole symmetry breaking introduced by the repulsion. The phase diagram and the crossover in the neighbourhood of the tricritical point for the shock formation at one of the boundaries are determined.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 02.50.Ey – Stochastic processes / 64.60.-i – General studies of phase transitions
© EPLA, 2008
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