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Title

Faceted patterns and anomalous surface roughening driven by long-range temporally correlated noise

AuthorsAlés, Alejandro; López, Juan M.
Issue Date2019
PublisherAmerican Physical Society
CitationPhysical Review E 99(6): 062139 (2019)
AbstractWe investigate Kardar-Parisi-Zhang (KPZ) surface growth in the presence of power-law temporally correlated noise. By means of extensive numerical simulations of models in the KPZ universality class we find that, as the noise correlator index increases above some threshold value, the surface exhibits anomalous kinetic roughening of the type described by the generic scaling theory of Ramasco [Phys. Rev. Lett. 84, 2199 (2000)PRLTAO0031-900710.1103/PhysRevLett.84.2199]. Remarkably, as the driving noise temporal correlations increase, the surface develops a characteristic pattern of macroscopic facets that completely dominates the dynamics in the long time limit. We argue that standard scaling fails to capture the behavior of KPZ subject to long-range temporally correlated noise. These phenomena are not not described by the existing theoretical approaches, including renormalization group and self-consistent approaches.
Publisher version (URL)https://doi.org/10.1103/PhysRevE.99.062139
URIhttp://hdl.handle.net/10261/213157
Identifiersdoi: 10.1103/PhysRevE.99.062139
e-issn: 2470-0053
issn: 2470-0045
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