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2022-06-08

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cc-by-nc (c) Leyva, Sergi G. et al., 2022
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/192703

Hydrodynamic synchronization and clustering in driven colloidal matter

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Recurs relacionat

https://doi.org/10.1126/sciadv.abo4546

Resum

Ratchet transport systems are widespread in physics and biology; however, the effect of the dispersing medium in the collective dynamics of these out-of-equilibrium systems has been often overlooked. We show that, in a traveling wave magnetic ratchet, long-range hydrodynamic interactions (HIs) produce a series of remarkable phenomena on the transport and assembly of interacting Brownian particles. We demonstrate that HIs induce the resynchronization with the traveling wave that emerges as a 'speed-up' effect, characterized by a net raise of the translational speed, which doubles that of single particles. When competing with dipolar forces and the underlying substrate symmetry, HIs promote the formation of clusters that grow perpendicular to the driving direction. We support our findings both with Langevin dynamics and with a theoretical model that accounts for the fluid-mediated interactions. Our work illustrates the role of the dispersing medium on the dynamics of driven colloidal matter and unveils the growing process and cluster morphologies above a periodic substrate.

Matèries

Moviment, Partícules (Matèria), Transport

Matèries (anglès)

Motion, Particles, Transportation

Citació

Col·leccions

Articles publicats en revistes (Física de la Matèria Condensada)

Citació

LEYVA, Sergi G., et al. Hydrodynamic synchronization and clustering in driven colloidal matter. Science Advances. 2022. Vol. 8, num. 23, pags. eabo4546. ISSN 2375-2548. [consulted: 3 of August of 2026]. Available at: https://hdl.handle.net/2445/192703

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