Extensive numerical simulations of surface growth with temporally correlated noise

Tianshu Song and Hui Xia
Phys. Rev. E 103, 012121 – Published 19 January 2021

Abstract

Surface growth processes can be significantly affected by long-range temporal correlations. In this work, we perform extensive numerical simulations of a (1+1)- and (2+1)-dimensional ballistic deposition (BD) model driven by temporally correlated noise, which is regarded as the temporal correlated Kardar-Parisi-Zhang universality class. Our results are compared with the existing theoretical predictions and numerical simulations. When the temporal correlation exponent is above a certain threshold, BD surfaces develop gradually faceted patterns. We find that the temporal correlated BD system displays nontrivial dynamic properties, and the characteristic roughness exponents satisfy ααloc<αs in (1+1) dimensions, which is beyond the existing dynamic scaling classifications.

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  • Received 21 August 2020
  • Revised 22 December 2020
  • Accepted 23 December 2020

DOI:https://doi.org/10.1103/PhysRevE.103.012121

©2021 American Physical Society

Physics Subject Headings (PhySH)

Statistical Physics & Thermodynamics

Authors & Affiliations

Tianshu Song1,2 and Hui Xia1,*

  • 1School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
  • 2School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China

  • *Corresponding author: hxia@cumt.edu.cn

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Vol. 103, Iss. 1 — January 2021

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