Lane formation in a driven attractive fluid

Abstract

We investigate non-equilibrium lane formation in a generic model of a fluid with attractive interactions, that is, a two-dimensional Lennard-Jones (LJ) fluid composed of two particle species driven in opposite directions. Performing Brownian Dynamics (BD) simulations for a wide range of parameters, supplemented by a stability analysis based on dynamical density functional theory (DDFT), we identify generic features of lane formation in presence of attraction, including structural properties. In fact, we find a variety of states (as compared to purely repulsive systems), as well as a close relation between laning and long wavelength instabilities of the homogeneous phase such as demixing and condensation.

11 pages, 8 figures

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Cited by in corpus (13)

• Classical dynamical density functional theory: from fundamentals to applications
• Power functional theory for many-body dynamics
• Flocking without alignment interactions in attractive active Brownian particles
• Clustering and phase separation of circle swimmers dispersed in a monolayer
• Analytical approach to chiral active systems: suppressed phase separation of interacting Brownian circle swimmers
• Laning and Clustering Transitions in Driven Binary Active Matter Systems
• Structural nonequilibrium forces in driven colloidal systems
• Towards an analytical description of active microswimmers in clean and in surfactant-covered drops
• Lane formation dynamics of oppositely self-driven binary particles: Effects of density and finite system size
• Disordering, Clustering, and Laning Transitions in Particle Systems with Dispersion in the Magnus Term
• Perpendicular and Parallel Phase Separation in Two Species Driven Diffusive Lattice Gases
• Field driven cluster formation in two-dimensional colloidal binary mixtures
• Reentrant Melting of Lanes of Rough Circular Discs