Random deposition of two annihilating species in (1+1) dimension

R. H. LÓPEZ; S. MANZI; F. ROMÁ; R. J. FACCIO

PHYSICAL REVIEW E - STATISTICAL PHYSICS, PLASMAS, FLUIDS AND RELATED INTERDISCIPLINARY TOPICS

The American Physical Society

Lugar: USA; Año: 1999 vol. 60 p. 89 - 93

1063-651X

We present simulation results for the one-dimensional random deposition of two annihilating species A and B, falling with probabilities p and q ( p + q = 1), which then react to produce an inert product, i.e., A + B  -> 0. Two different annihilation rules are defined: top annihilation and nearest-neighbor annihilation (NNA), leading to distinct scaling behaviors. In particular, the values of the scaling exponents for NNA are found to be dependent on probability p, suggesting different universality classes.