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Faceted patterns and anomalous surface roughening driven by long-range

Abstract: We 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 et al. [Phys. Rev. Lett. 84, 2199 (2000)]. 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.

 Fuente: Physical Review E 99, 062139 (2019)

Editorial: American Physical Society

 Fecha de publicación: 01/06/2019

Nº de páginas: 8

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevE.99.062139

ISSN: 1539-3755,1550-2376,2470-0045,2470-0053

Proyecto español: FIS2016-74957-P ; COOPA20187

Url de la publicación: https://doi.org/10.1103/PhysRevE.99.062139

Autores/as

ALÉS, ALEJANDRO