Dynamical surface structures in multi-particle-correlated surface growths

Details Dynamical surface structures in multi-particle-correlated surface growths Dynamical surface structures in multi-particle-correlated surface growths

2002-05-21

arxiv.org/abs/cond-mat/0205427v1

Phys. Rev. E 66, 046123 (2002)

Physics

Condensed Matter

Statistical Mechanics

16 pages, 10 figures, revtex

Scientific paper

10.1103/PhysRevE.66.046123

We investigate the scaling properties of the interface fluctuation width for the $Q$-mer and $Q$-particle-correlated deposition-evaporation models. These models are constrained with a global conservation law that the particle number at each height is conserved modulo $Q$. In equilibrium, the stationary roughness is anomalous but universal with roughness exponent $\alpha=1/3$, while the early time evolution shows nonuniversal behavior with growth exponent $\beta$ varying with models and $Q$. Nonequilibrium surfaces display diverse growing/stationary behavior. The $Q$-mer model shows a faceted structure, while the $Q$-particle-correlated model a macroscopically grooved structure.

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