Universality Class of Discrete Solid-on-Solid Limited Mobility Nonequilibrium Growth Models for Kinetic Surface Roughening

Physics – Condensed Matter – Statistical Mechanics

Scientific paper

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11 pages with 1 table plus 5 postscript figures

Scientific paper

10.1103/PhysRevE.65.036144

We investigate, using the noise reduction technique, the asymptotic universality class of the well-studied nonequilibrium limited mobility atomistic solid-on-solid surface growth models introduced by Wolf and Villain (WV) and Das Sarma and Tamborenea (DT) in the context of kinetic surface roughening in ideal molecular beam epitaxy. We find essentially all the earlier conclusions regarding the universality class of DT and WV models to be severely hampered by slow crossover and extremely long lived transient effects. We identify the correct asymptotic universality class(es) which differs from earlier conclusions in several instances.

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