# Disordered interfaces in soft fluids with suspended colloids

## TL;DR

This paper uses computer simulations to study how soft dumbbell-shaped particles affect the interface dynamics in bi-continuous two-phase fluids, revealing unique curvature behaviors and potential for designing new soft porous materials.

## Contribution

It demonstrates that soft dumbbells do not arrest coarsening like rigid colloids but significantly influence interface curvature dynamics, showing universal transition and super-diffusive behavior.

## Key findings

- Universal transition of interface curvature distribution
- Super-diffusive interface dynamics with long-range effects
- Soft dumbbells alter interface behavior without arresting coarsening

## Abstract

Computer simulations of bi-continuous two-phase fluids with intersparsed 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 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.