How to derive a predictive field theory for active Brownian particles: a step-by-step tutorial

M Te Vrugt, J Bickmann… - Journal of Physics …, 2023 - iopscience.iop.org
The study of active soft matter has developed into one of the most rapidly growing areas of
physics. Field theories, which can be developed either via phenomenological …

Magnetic Quincke rollers with tunable single-particle dynamics and collective states

R Reyes Garza, N Kyriakopoulos, ZM Cenev… - Science …, 2023 - science.org
Electrohydrodynamically driven active particles based on Quincke rotation have quickly
become an important model system for emergent collective behavior in nonequilibrium …

Reconfigurable artificial microswimmers with internal feedback

L Alvarez, MA Fernandez-Rodriguez, A Alegria… - Nature …, 2021 - nature.com
Self-propelling microparticles are often proposed as synthetic models for biological
microswimmers, yet they lack the internally regulated adaptation of their biological …

Time-dependent inertia of self-propelled particles: The Langevin rocket

AR Sprenger, S Jahanshahi, AV Ivlev, H Löwen - Physical Review E, 2021 - APS
Many self-propelled objects are large enough to exhibit inertial effects but still suffer from
environmental fluctuations. The corresponding basic equations of motion are governed by …

Dynamics of active particles with space-dependent swim velocity

L Caprini, UMB Marconi, R Wittmann, H Löwen - Soft Matter, 2022 - pubs.rsc.org
We study the dynamical properties of an active particle subject to a swimming speed
explicitly depending on the particle position. The oscillating spatial profile of the swim …

Reinforcement learning of optimal active particle navigation

M Nasiri, B Liebchen - New Journal of Physics, 2022 - iopscience.iop.org
The development of self-propelled particles at the micro-and the nanoscale has sparked a
huge potential for future applications in active matter physics, microsurgery, and targeted …

Hydrodynamics can determine the optimal route for microswimmer navigation

A Daddi-Moussa-Ider, H Löwen, B Liebchen - Communications Physics, 2021 - nature.com
As compared to the well explored problem of how to steer a macroscopic agent, like an
airplane or a moon lander, to optimally reach a target, optimal navigation strategies for …

Active particles using reinforcement learning to navigate in complex motility landscapes

PA Monderkamp, FJ Schwarzendahl… - Machine Learning …, 2022 - iopscience.iop.org
As the length scales of the smallest technology continue to advance beyond the micron
scale it becomes increasingly important to equip robotic components with the means for …

Orientation-dependent propulsion of triangular nano-and microparticles by a traveling ultrasound wave

J Voß, R Wittkowski - ACS nano, 2022 - ACS Publications
Previous studies on ultrasound-propelled nano-and microparticles have considered only
systems in which the particle orientation is perpendicular to the direction of propagation of …

Active Brownian motion with memory delay induced by a viscoelastic medium

AR Sprenger, C Bair, H Löwen - Physical Review E, 2022 - APS
By now active Brownian motion is a well-established model to describe the motion of
mesoscopic self-propelled particles in a Newtonian fluid. On the basis of the generalized …