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Interface collisions

Abstract : We provide a theoretical framework to analyze the properties of frontal collisions of two growing interfaces considering different short-range interactions between them. Due to their roughness, the collision events spread in time and form rough domain boundaries, which defines collision interfaces in time and space. We show that statistical properties of such interfaces depend on the kinetics of the growing interfaces before collision, but are independent of the details of their interaction and of their fluctuations during the collision. Those properties exhibit dynamic scaling with exponents related to the growth kinetics, but their distributions may be nonuniversal. Our results are supported by simulations of lattice models with irreversible dynamics and local interactions. Relations to first passage processes are discussed and a possible application to grain-boundary formation in two-dimensional materials is suggested.
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-02289853
Contributor : Marie-Gabrielle Chautard <>
Submitted on : Tuesday, September 17, 2019 - 10:58:30 AM
Last modification on : Friday, October 30, 2020 - 11:39:09 AM

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F. D. A. Aarão Reis, Olivier Pierre-Louis. Interface collisions. Physical Review E , American Physical Society (APS), 2018, 97 (4), pp.040801. ⟨10.1103/PhysRevE.97.040801⟩. ⟨hal-02289853⟩

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