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Impurity-induced diffusion bias in epitaxial growth
Luis A. Nunes Amaral, Joachim Krug
We introduce two models for the action of impurities in epitaxial growth. In the first, the interaction between the diffusing adatoms and the impurities is ``barrier''-like and, in…
Scaling properties of driven interfaces in disordered media
L. A. N. Amaral, A. -L. Barabasi, H. A. Makse +1
We perform a systematic study of several models that have been proposed for the purpose of understanding the motion of driven interfaces in disordered media. We identify two distin…
Scaling Behavior of Driven Interfaces Above the Depinning Transition
Hernan A. Makse, Luis A. Nunes Amaral
We study the depinning transition for models representative of each of the two universality classes of interface roughening with quenched disorder. For one of the universality clas…
Universality Classes for Interface Growth with Quenched Disorder
LAN Amaral, A-L Barabasi, HE Stanley
We present numerical evidence that there are two distinct universality classes characterizing driven interface roughening in the presence of quenched disorder. The evidence is base…