Topology change due to particle heterogeneity in DLAs

Lucas Ismael Candia (), Julio Carbonetti (), Guillermo Daniel Garcia () and Fabricio Orlando Sanchez-Varretti ()
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Lucas Ismael Candia: Universidad Tecnológica Nacional, Facultad Regional San Rafael, Av. Gral. Urquiza 314, San Rafael, Mendoza, 5600, Argentina
Julio Carbonetti: Universidad Tecnológica Nacional, Facultad Regional San Rafael, Av. Gral. Urquiza 314, San Rafael, Mendoza, 5600, Argentina
Guillermo Daniel Garcia: Universidad Tecnológica Nacional, Facultad Regional San Rafael, Av. Gral. Urquiza 314, San Rafael, Mendoza, 5600, Argentina
Fabricio Orlando Sanchez-Varretti: Universidad Tecnológica Nacional, Facultad Regional San Rafael, Av. Gral. Urquiza 314, San Rafael, Mendoza, 5600, Argentina

International Journal of Modern Physics C (IJMPC), 2015, vol. 26, issue 12, 1-12

Abstract: In the present paper, a variation of the widespread model of diffusion-limited aggregation (DLA) is presented. Unlike the traditional DLA model, where particles are attached to the aggregate whenever they touch it, we here restrict attachment by reducing the number of available bonds of the particles. This subtle change in the model changes the topological properties of the resulting aggregate.By using a binary mixture of particles, with different coordination number, the fractal dimension(df), the spectral dimension(ds)and the random walk dimension(dw)are studied as a function of particle-type ratio. The behavior of the system shows non-negligible deviation from the traditional model.

Keywords: Fractal; topology; heterogeneity; 11.25.Hf; 123.1K (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1142/S0129183115501363

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