Roughness and Nonlinearities in (2 + 1)-Dimensional Growth Models with Diffusion
- 1 September 1992
- journal article
- Published by IOP Publishing in Europhysics Letters
- Vol. 20 (1) , 25-30
- https://doi.org/10.1209/0295-5075/20/1/005
Abstract
We present results of numerical simulations of kinetic roughening for three variants of a growth model with surface diffusion in 2 + 1 dimensions. The variants differ by the rules of relaxation of a freshly arrived particle giving different effective roughness and dynamical exponents. In particular we have found that the model, studied by Wolf and Villain and by Das Sarma and Tamborenea in 1 + 1 dimensions, has in 2 + 1 dimensions exponents corresponding to a nonlinear differential equations.Keywords
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