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12 papers · 2 filters
Wetting behavior of a colloidal particle trapped at a composite liquid-vapor interface of a binary liquid mixture
Hyojeong Kim, Lothar Schimmele, S. Dietrich
A partially miscible binary liquid mixture, composed of A and B particles, is considered theoretically under conditions for which a stable A-rich liquid phase is in thermal equilib…
Self-motility of an active particle induced by correlations in the surrounding solution
Alvaro Domínguez, M. N. Popescu, C. M. Rohwer +1
Current models of phoretic transport rely on molecular forces creating a "diffuse" particle-fluid interface. We investigate theoretically an alternative mechanism, in which a diffu…
The role of counterions in ionic liquid crystals
Hendrik Bartsch, Markus Bier, S. Dietrich
Previous theoretical studies of calamitic (i.e., rod-like) ionic liquid crystals (ILCs) based on an effective one-species model led to indications of a novel smectic-A phase with a…
Charge symmetry broken complex coacervation
Arghya Majee, Markus Bier, Ralf Blossey +1
Liquid-liquid phase separation has emerged as one of the important paradigms in the chemical physics as well as biophysics of charged macromolecular systems. We elucidate an equili…
Mechanical pressure and work cycle of confined active Brownian particles
Paolo Malgaretti, Piotr Nowakowski, Holger Stark
We derive an analytic expression for the mechanical pressure of a generic one-dimensional model of confined active Brownian particles (ABPs) that is valid for all values of Peclet…
Electrostatic pair-interaction of nearby metal or metal-coated colloids at fluid interfaces
Rick Bebon, Arghya Majee
In this paper, we theoretically study the electrostatic interaction between a pair of identical colloids with constant surface potentials sitting in close vicinity of each other at…