67 citations · 360 across the 26 of their papers we have counts for
26 papers
Maximally mixing active nematics
Kevin A. Mitchell, Md Mainul Hasan Sabbir, Kevin Geumhan +3
Active nematics are an important new paradigm in soft condensed matter systems. They consist of rod-like components with an internal driving force pushing them out of equilibrium.…
Noise-induced aggregation of swimmers in the Kolmogorov flow
Simon A. Berman, Kyle S. Ferguson, Nathaniel Bizzak +2
We investigate a model for the dynamics of ellipsoidal microswimmers in an externally imposed, laminar Kolmogorov flow. Through a phase-space analysis of the dynamics without noise…
Swimmer dynamics in externally-driven fluid flows: The role of noise
Simon A. Berman, Kevin A. Mitchell
We theoretically investigate the effect of random fluctuations on the motion of elongated microswimmers near hydrodynamic transport barriers in externally-driven fluid flows. Focus…
Fractal generation in a two-dimensional active-nematic fluid
Kevin A. Mitchell, Amanda J. Tan, Jorge Arteaga +1
Active fluids, composed of individual self-propelled agents, can generate complex large-scale coherent flows. A particularly important laboratory realization of such an active flui…
Topological Dynamics of Volume-Preserving Maps Without an Equatorial Heteroclinic Curve
Joshua G. Arenson, Kevin A. Mitchell
Understanding the topological structure of phase space for dynamical systems in higher dimensions is critical for numerous applications, including the computation of chemical react…
Transport barriers to self-propelled particles in fluid flows
Simon A. Berman, John Buggeln, David A. Brantley +2
We present theory and experiments demonstrating the existence of invariant manifolds that impede the motion of microswimmers in two-dimensional fluid flows. One-way barriers are ap…