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http://hdl.handle.net/2445/184804
Title: | Collective motion of run-and-tumble repulsive and attractive particles in one-dimensional systems |
Author: | Barrius Gutierrez, Miguel C. Vanhille Campos, Christian Alarcón Oseguera, Francisco Pagonabarraga Mora, Ignacio Brito, Ricardo Valeriani, Chantal |
Keywords: | Matèria condensada tova Partícules (Matèria) Dinàmica Soft condensed matter Particles Dynamics |
Issue Date: | 1-Aug-2021 |
Publisher: | Royal Society of Chemistry |
Abstract: | Active matter deals with systems whose particles consume energy at the individual level in order to move. To unravel features such as the emergence of collective structures, several models have been suggested, such as the on-lattice model of run-and-tumble particles implemented via the persistent exclusion process (PEP). In our work, we study a one-dimensional system of run-and-tumble repulsive or attractive particles, both on-lattice and off-lattice. Additionally, we implement cluster motility dynamics in the on-lattice case (since in the off-lattice case, cluster motility arises from the individual particle dynamics). While we observe important differences between discrete and continuous dynamics, few common features are of particular importance. Increasing particle density drives aggregation across all different systems explored. For non-attractive particles, the effects of particle activity on aggregation are largely independent of the details of the dynamics. In contrast, once attractive interactions are introduced, the steady-state, which is completely determined by the interplay between these and the particles' activity, becomes highly dependent on the details of the dynamics. |
Note: | Versió postprint del document publicat a: https://doi.org/10.1039/D1SM01006A |
It is part of: | Soft Matter, 2021, vol. 17, p. 10479 |
URI: | http://hdl.handle.net/2445/184804 |
Related resource: | https://doi.org/10.1039/D1SM01006A |
ISSN: | 1744-683X |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) Articles publicats en revistes (Institut de Recerca en Sistemes Complexos (UBICS)) |
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719761.pdf | 5.85 MB | Adobe PDF | View/Open |
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