Finger formation in a driven diffusive system

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dc.contributorVirginia Techen
dc.contributor.authorBoal, D. H.en
dc.contributor.authorSchmittmann, Beateen
dc.contributor.authorZia, Royce K. P.en
dc.contributor.departmentCenter for Stochastic Processes in Science and Engineering (CSPISE)en
dc.contributor.departmentPhysicsen
dc.date.accessed2014-04-22en
dc.date.accessioned2014-04-25T14:12:35Zen
dc.date.available2014-04-25T14:12:35Zen
dc.date.issued1991-05en
dc.description.abstractA driven diffusive lattice gas is studied in a rectangular geometry: particles are fed in at one side and extracted at the other, after being swept through the system by a uniform driving field. Being periodic in the transverse direction, the lattice lies on the surface of a cylinder. The resulting nonequilibrium steady state depends strongly on this choice of boundary conditions. Both Monte Carlo and analytic techniques are employed to investigate the structure of typical configurations, the density profile, the steady-state current, and the nearest-neighbor correlations. As the temperature is lowered in a finite system, the simulations indicate a crossover from a disordered to an ordered state that is characterized by a backgammonlike pattern of alternating high- and low-density regions ("fingers"). For fixed strengths of the field and interparticle attraction, the average number of fingers is controlled by the ratio of the transverse to the longitudinal system size. Whether the crossover corresponds to an actual phase transition, where typical thermodynamic observables become singular, remains to be determined.en
dc.description.sponsorshipNSFen
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canadaen
dc.description.sponsorshipSonderforschungsbereich 237 of the Deutsche Forschungsgemeinschaften
dc.identifier.citationBoal, D. H.; Schmittmann, B.; Zia, R. K. P., "Finger formation in a driven diffusive system," Phys. Rev. A 43, 5214 (1991); DOI: http://dx.doi.org/10.1103/PhysRevA.43.5214en
dc.identifier.doihttps://doi.org/10.1103/PhysRevA.43.5214en
dc.identifier.issn1050-2947en
dc.identifier.urihttp://hdl.handle.net/10919/47690en
dc.identifier.urlhttp://journals.aps.org/pra/abstract/10.1103/PhysRevA.43.5214en
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectcritical-behavioren
dc.subjectfield-theoryen
dc.subjectphase-transitionsen
dc.subjectcritical dynamicsen
dc.subjectlattice systemsen
dc.subjectsteady-stateen
dc.subjectconductorsen
dc.subjectmodelsen
dc.subjectgasesen
dc.titleFinger formation in a driven diffusive systemen
dc.title.serialPhysical Review Aen
dc.typeArticle - Refereeden

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