Disordered interfaces in soft fluids with suspended colloids

A. Tiribocchi, M. Lauricella (), A. Montessori, S. Melchionna () and S. Succi
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A. Tiribocchi: Center for Life Nano Science@La Sapienza, Istituto Italiano di Tecnologia, 00161 Roma, Italy†Istituto per le Applicazioni del Calcolo CNR, via dei Taurini 19, 00185, Rome, Italy
M. Lauricella: #x2020;Istituto per le Applicazioni del Calcolo CNR, via dei Taurini 19, 00185, Rome, Italy
A. Montessori: #x2020;Istituto per le Applicazioni del Calcolo CNR, via dei Taurini 19, 00185, Rome, Italy
S. Melchionna: #x2021;ISC-CNR, Istituto Sistemi Complessi, Università Sapienza, P.le A. Moro 2, 00185 Rome, Italy
S. Succi: Center for Life Nano Science@La Sapienza, Istituto Italiano di Tecnologia, 00161 Roma, Italy†Istituto per le Applicazioni del Calcolo CNR, via dei Taurini 19, 00185, Rome, Italy§Institute for Applied Computational Science, John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA

International Journal of Modern Physics C (IJMPC), 2019, vol. 30, issue 10, 1-8

Abstract: Computer simulations of bi-continuous two-phase fluids with interspersed dumbbells show that, unlike rigid colloids, soft dumbbells do not lead to arrested coarsening. However, they significantly alter the curvature dynamics of the fluid–fluid interface, whose probability density distributions are shown to exhibit (i) a universal spontaneous transition (observed even in the absence of colloids) from an initial broad-shape distribution towards a highly localized one and (ii) super-diffusive dynamics with long-range effects. Both features may prove useful for the design of novel families of soft porous materials.

Keywords: Interface; curvature; lattice boltzmann; colloids (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1142/S0129183119410043

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