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The 2024 Motile Active Matter Roadmap
Gerhard Gompper, Howard A. Stone, Christina Kurzthaler +29
Activity and autonomous motion are fundamental aspects of many living and engineering systems. Here, the scale of biological agents covers a wide range, from nanomotors, cytoskelet…
Invariance properties of bacterial random walks in complex structures
Giacomo Frangipane, Gaszton Vizsnyiczai, Claudio Maggi +4
Motile cells often explore natural environments characterized by a high degree of structural complexity. Moreover cell motility is also intrinsically noisy due to spontaneous rando…
Currents and flux-inversion in photokinetic active particles
Claudio Maggi, Luca Angelani, Giacomo Frangipane +1
Many active particles, both of biological and synthetic origin, can have a light controllable propulsion speed, a property that in biology is commonly referred to as photokinesis.…
Active Particles in Complex and Crowded Environments
Clemens Bechinger, Roberto Di Leonardo, Hartmut Löwen +3
Differently from passive Brownian particles, active particles, also known as self-propelled Brownian particles or microswimmers and nanoswimmers, are capable of taking up energy fr…
Polar features in the flagellar propulsion of E. coli bacteria
S. Bianchi, F. Saglimbeni, A. Lepore +1
E. coli bacteria swim following a run and tumble pattern. In the run state all flagella join in a single helical bundle that propels the cell body along approximately straight path…
Self-Sustained Density Oscillations of Swimming Bacteria Confined in Microchambers
M. Paoluzzi, R. Di Leonardo, L. Angelani
We numerically study the dynamics of run-and-tumble particles confined in two chambers connected by thin channels. Two dominant dynamical behaviors emerge: (i) an oscillatory pumpi…