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Multicritical behavior of the diluted contact process
Silvio R. Dahmen, L. Sittler, H. Hinrichsen
We study a contact process on a two-dimensional square lattice which is diluted by randomly removing bonds with probability p. For p<1/2 and varying birth rate the model was sh…
Contact processes with long-range interactions
F. Ginelli, H. Hinrichsen, R. Livi +2
A class of non-local contact processes is introduced and studied using mean-field approximation and numerical simulations. In these processes particles are created at a rate which…
Influence of diffusion on models for non-equilibrium wetting
S. Rössner, H. Hinrichsen
It is shown that the critical properties of a recently studied model for non-equilibrium wetting are robust if one extends the dynamic rules by single-particle diffusion on terrace…
Nonequilibrium critical behavior of a species coexistence model
Heiko Reinhardt, Frank Boehm, Barbara Drossel +1
A biologically motivated model for spatio-temporal coexistence of two competing species is studied by mean-field theory and numerical simulations. In d>1 dimensions the phase diagr…
Is local scale invariance a generic property of ageing phenomena ?
Haye Hinrichsen
In contrast to recent claims by Enss, Henkel, Picone, and Schollwoeck [J. Phys. A 37, 10479] it is shown that the critical autoresponse function of the 1+1-dimensional contact proc…