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An absorbing phase transition from a structured active particle phase

AuthorsLópez, Cristóbal ; Ramos, Francisco; Hernández-García, Emilio
Population dynamics and ecological pattern formation
Fluctuation phenomena, random processes, noise, and Brownian motion
Pattern selection; pattern formation
Issue Date22-Jan-2007
PublisherInstitute of Physics Publishing
CitationJournal of Physics: Condensed Matter 19, 065133 (2007)
AbstractIn this work we study the absorbing state phase transition of a recently introduced model for interacting particles with neighbourhood-dependent reproduction rates. The novelty of the transition is that as soon as the active phase is reached by increasing a control parameter a periodically arranged structure of particle clusters appears. A numerical study in one and two dimensions shows that the system falls into the directed percolation universality class.
Description8 pages.-- PACS numbers: 89.75.Kd, 87.23.Cc, 05.40.-a, 47.54.+r.-- Final full-text version of the paper available at: http://dx.doi.org/10.1088/0953-8984/19/6/065133.
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