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Hinsch, Hauke and Frey, Erwin (September 2006): Bulk-driven nonequilibrium phase transitions in a mesoscopic ring. In: Physical Review Letters, Vol. 97, No. 9: 095701-1 [PDF, 158kB]


We study a periodic one-dimensional exclusion process composed of a driven and a diffusive part. In a mesoscopic limit where both dynamics compete we identify bulk-driven phase transitions. We employ mean-field theory complemented by Monte Carlo simulations to characterize the emerging nonequilibrium steady states. Monte Carlo simulations reveal interesting correlation effects that we explain phenomenologically.

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