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Density Dependent Cohesion Leads to Controlled Phase Separation in Brownian Suspensions
Gavin Melaugh, Davide Marenduzzo, Alexander Morozov +1
Mechanical interactions between biological cells may be mediated by secreted products, making them dependent on the local particle density. Here, we explore the generic physics of…
Osmosis with active solutes
Thomas W. Lion, Rosalind J. Allen
Despite much current interest in active matter, little is known about osmosis in active systems. Using molecular dynamics simulations, we investigate how active solutes perturb osm…
Inherent variability in the kinetics of autocatalytic protein self-assembly
Juraj Szavits-Nossan, Kym Eden, Ryan J. Morris +3
In small volumes, the kinetics of filamentous protein self-assembly is expected to show significant variability, arising from intrinsic molecular noise. This is not accounted for i…
Scalar field theory for active-particle phase separation
Raphael Wittkowski, Adriano Tiribocchi, Joakim Stenhammar +3
Recent theories predict phase separation among orientationally disordered active particles whose propulsion speed decreases rapidly enough with density. Coarse-grained models of th…
Phase behaviour of active Brownian particles: The role of dimensionality
Joakim Stenhammar, Davide Marenduzzo, Rosalind J. Allen +1
Recently, there has been much interest in activity-induced phase separations in concentrated suspensions of "active Brownian particles" (ABPs), self-propelled spherical particles w…
A continuum theory of phase separation kinetics for active Brownian particles
Joakim Stenhammar, Adriano Tiribocchi, Rosalind J. Allen +2
Active Brownian particles (ABPs), when subject to purely repulsive interactions, are known to undergo activity-induced phase separation broadly resembling an equilibrium (attractio…