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Showing 1–9 of 9 results
Advanced filters: Author: Benno Liebchen Clear advanced filters

  • Inertial active matter can self-organize into coexisting phases that feature different temperatures, but experimental realizations are limited. Here, the authors report the coexistence of hot liquid and cold gas states in mixtures of overdamped active and inertial passive Brownian particles, giving a broader relevance.

    • Lukas Hecht
    • Iris Dong
    • Benno Liebchen
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Active matter can spontaneously form complex patterns and assemblies via a one-way energy flow from the environment into the system. Here, the authors demonstrate that a two-way coupling, where active particles act back on the environment can give rise to novel superstructures, named as active droploids.

    • Jens Grauer
    • Falko Schmidt
    • Benno Liebchen
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Entanglement of polymers underlies a variety of phenomena across multiple scales that are driven by different active processes. Here, the authors study the viscoelastic properties of highly entangled, flexible, self-propelled polymers using Brownian dynamics simulations and show that the active motion of the polymers increase the elasticity of the solution by orders of magnitude due to the emergence of grip forces at entanglement points and increases with polymer length and activity.

    • Davide Breoni
    • Christina Kurzthaler
    • Suvendu Mandal
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • Periodic potentials have traditionally been used to control phase transitions in equilibrium colloidal suspensions, but their application to active colloids remains less explored. Here, the authors demonstrate that spatially periodic potentials can induce so-far unknown active matter phase, the active adaptolates, that adapts structural order like a frozen phase while retaining the ballistic dynamics of the molten phase.

    • Aritra K. Mukhopadhyay
    • Peter Schmelcher
    • Benno Liebchen
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-6

  • While control theory for optimal navigation is relevant across scales, from aeronautics to targeted drug delivery, the role of thermal fluctuations and hydrodynamic interactions with interfaces, walls and obstacles at the microscale remains an open question. Here, the authors explore optimal microswimming in the presence of walls or obstacles, and study how hydrodynamic microswimmer-wall interactions impact on optimal microswimming strategies.

    • Abdallah Daddi-Moussa-Ider
    • Hartmut Löwen
    • Benno Liebchen
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-11

  • An outstanding challenge in active matter physics is to control the motion of active particles. Here, the authors present a motility trap that can be applied to any self-propulsion scheme, and combine experiments, theory, and simulations to demonstrate robust spatio-temporal control of active particles.

    • Soudeh Jahanshahi
    • Celia Lozano
    • Clemens Bechinger
    ResearchOpen Access
    Communications Physics
    Volume: 3, P: 1-11