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Updated: Aug 17, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
Published on: December 4, 2017
Universality class of discrete solid-on-solid limited mobility nonequilibrium growth models for kinetic surface
S Das Sarma1, P Punyindu Chatraphorn, Z Toroczkai
1Department of Physics, University of Maryland, College Park, Maryland 20742-4111, USA.
Abstract:
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) that differs from earlier conclusions in several instances.
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