title: Bulk-driven nonequilibrium phase transitions in a mesoscopic ring.
abstract: 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.
authors.affiliation: Arnold Sommerfeld Center for Theoretical Physics and Center of NanoScience, Department of Physics, Ludwig-Maximilians-Universität München, Theresienstrasse 37, D-80333 München, Germany.
authors.forename: Hauke
authors.initials: H
authors.lastname: Hinsch
authors.forename: Erwin
authors.initials: E
authors.lastname: Frey