Clogging, Dynamics and Reentrant Fluid for Active Matter on Periodic Substrates

Abstract

We examine the collective states of run-and-tumble active matter disks driven over a periodic obstacle array. When the drive is applied along a symmetry direction of the array, we find a clog-free uniform liquid state for low activity, while at higher activity, the density becomes increasingly heterogeneous and an active clogged state emerges in which the mobility is strongly reduced. For driving along non-symmetry or incommensurate directions, there are two different clogging behaviors consisting of a drive dependent clogged state in the low activity thermal limit and a drive independent clogged state at high activity. These regimes are separated by a uniform flowing liquid at intermediate activity. There is a critical activity level above which the thermal clogged state does not occur, as well as an optimal activity level that maximizes the disk mobility. Thermal clogged states are dependent on the driving direction while active clogged states are not. In the low activity regime, diluting the obstacles produces a monotonic increase in the mobility; however, for large activities, the mobility is more robust against obstacle dilution. We also examine the velocity-force curves for driving along non-symmetry directions, and find that they are linear when the activity is low or intermediate, but become nonlinear at high activity and show behavior similar to that found for the plastic depinning of solids. At higher drives the active clustering is lost. For low activity we also find a reentrant fluid phase, where the system transitions from a high mobility fluid at low drives to a clogged state at higher drives and then back into another fluid phase at very high drives. We map the regions in which the thermally clogged, partially clogged, active uniform fluid, clustered fluid, active clogged, and directionally locked states occur as a function of disk density, drift force, and activity.

arXiv comment15 pages, 22 figures

References in corpus (61)

• Active Particles in Complex and Crowded Environments
• Nonequilibrium Critical Phenomena and Phase Transitions into Absorbing States
• Motility-Induced Phase Separation
• Dynamical clustering and phase separation in suspensions of self-propelled colloidal particles
• Athermal Phase Separation of Self-Propelled Particles with no Alignment
• Microswimmers in Patterned Environments
• When are active Brownian particles and run-and-tumble particles equivalent? Consequences for motility-induced phase separation
• Pressure is not a state function for generic active fluids
• Collective Transport: From Superconductors to Earthquakes
• Bacterial hopping and trapping in porous media
• Phototaxis of synthetic microswimmers in optical landscapes
• Depinning and nonequilibrium dynamic phases of particle assemblies driven over random and ordered substrates: a review
• Phase Locking, Devil's Staircases, Farey Trees, and Arnold Tongues in Driven Vortex Lattices with Periodic Pinning
• Distortion and destruction of colloidal flocks in disordered environments
• Tunable long range forces mediated by self-propelled colloidal hard spheres
• Optimal noise maximizes collective motion in heterogeneous media
• Active Matter Transport and Jamming on Disordered Landscapes
• Casimir Effect in Active Matter Systems
• Colloidal Dynamics on Disordered Substrates
• Guided vortex motion in superconductors with a square antidot lattice
• Universal Behavior of the Resistance Noise across the Metal-Insulator Transition in Silicon Inversion Layers
• Curvature Induced Activation of a Passive Tracer in an Active Bath
• Experimental observation of directional locking and dynamical ordering of colloidal monolayers driven across quasiperiodic substrates
• Dynamic Phases of Active Matter Systems with Quenched Disorder
• Microscopic theory for negative differential mobility in crowded environments
• Optimized Diffusion of Run-and-Tumble Particles in Crowded Environments
• Diffusion, subdiffusion and localisation of active colloids in random post lattices
• Transport and dispersion of active particles in periodic porous media
• Multi-directional sorting modes in deterministic lateral displacement devices
• Colloidal transport through optical tweezer arrays
• Statistically Locked-in Transport Through Periodic Potential Landscapes
• Dynamical Ordering and Directional Locking For Particles Moving Over Quasicrystalline Substrates
• Critical behavior of plastic depinning of vortex lattices in two dimensions: Molecular dynamics simulations
• Nonlinear Response in the Driven Lattice Lorentz Gas
• The frenetic origin of negative differential response
• How many dissenters does it take to disorder a flock?
• Collective forces in scalar active matter
• Controlled motion of skyrmions in a magnetic antidot lattice
• Charge Transport Transitions and Scaling in Disordered Arrays of Metallic Dots
• Emergence of dynamic vortex glasses in disordered polar active fluids
• Clogging and Depinning of Ballistic Active Matter Systems in Disordered Media
• Moving Vortex Phases, Dynamical Symmetry Breaking, and Jamming for Vortices in Honeycomb Pinning Arrays
• Collective Directional Locking of Colloidal Monolayers on a Periodic Substrate
• Avalanche Dynamics for Active Matter in Heterogeneous Media
• Topotaxis of active Brownian particles
• Enhanced dynamics of active Brownian particles in periodic obstacle arrays and corrugated channels
• Nanoscale simulations of directional locking
• Clogging and Jamming Transitions in Periodic Obstacle Arrays
• Noise at the Wigner Glass Transition
• Negative Differential Mobility and Trapping in Active Matter Systems
• Directional Locking Effects for Active Matter Particles Coupled to a Periodic Substrate
• Directional locking in deterministic lateral displacement microfluidic separation systems
• The elastic depinning transition of vortex lattices in two dimensions
• Active Matter Commensuration and Frustration Effects on Periodic Substrates
• Dewetting and Spreading Transitions for Active Matter on Random Pinning Substrates
• Skyrmion Dynamics and Topological Sorting on Periodic Obstacle Arrays
• Spontaneous Symmetry Breaking for Driven Interacting Particles on Triangular Substrates
• Deflection of phototactic microswimmers through obstacle arrays
• Directional Clogging and Phase Separation for Disk Flow Through Periodic and Diluted Obstacle Arrays
• Pervasive orientational and directional locking at geometrically heterogeneous sliding interfaces
• Collective Effects and Pattern Formation for Directional Locking of Disks Moving Through Obstacle Arrays

Cited by in corpus (7)

• The random walk of intermittently self-propelled particles
• Spectral density of individual trajectories of an active Brownian particle
• Active Matter Shepherding and Clustering in Inhomogeneous Environments
• The influence of obstacles on collective motion of self-propelled objects
• Melting, Reentrant Ordering and Peak Effect for Wigner Crystals with Quenched and Thermal Disorder
• Polarization and dynamic phases of aligning active matter in periodic obstacle arrays
• Emergence of Sinai Physics in the stochastic motion of passive and active particles