Abstract.
A biologically motivated model for spatio-temporal coexistence of two competing species is studied by mean-field theory and numerical simulations. In d ≥2 dimensions the phase diagram displays an extended region where both species coexist, bounded by two second-order phase transition lines belonging to the directed percolation universality class. The two transition lines meet in a multicritical point, where a non-trivial critical behavior is observed.
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Reinhardt, H., Böhm, F., Drossel, B. et al. Nonequilibrium critical behavior of a species coexistence model. Eur. Phys. J. B 51, 245–255 (2006). https://doi.org/10.1140/epjb/e2006-00217-7
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DOI: https://doi.org/10.1140/epjb/e2006-00217-7