Classical dynamical density functional theory: from fundamentals to applications

M te Vrugt, H Löwen, R Wittkowski - Advances in Physics, 2020 - Taylor & Francis
Classical dynamical density functional theory (DDFT) is one of the cornerstones of modern
statistical mechanics. It is an extension of the highly successful method of classical density …

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 …

From a microscopic inertial active matter model to the Schrödinger equation

M Te Vrugt, T Frohoff-Hülsmann, E Heifetz… - Nature …, 2023 - nature.com
Active field theories, such as the paradigmatic model known as 'active model B+', are simple
yet very powerful tools for describing phenomena such as motility-induced phase …

Chemotaxis of cargo-carrying self-propelled particles

HD Vuijk, H Merlitz, M Lang, A Sharma, JU Sommer - Physical Review Letters, 2021 - APS
Active particles with their characteristic feature of self-propulsion are regarded as the
simplest models for motility in living systems. The accumulation of active particles in low …

Predictive local field theory for interacting active Brownian spheres in two spatial dimensions

J Bickmann, R Wittkowski - Journal of Physics: Condensed …, 2020 - iopscience.iop.org
We present a predictive local field theory for the nonequilibrium dynamics of interacting
active Brownian particles with a spherical shape in two spatial dimensions. The theory is …

Dance of odd-diffusive particles: A Fourier approach

A Langer, A Sharma, R Metzler, E Kalz - Physical Review Research, 2024 - APS
Odd-diffusive systems are characterized by transverse responses and exhibit
unconventional behaviors in interacting systems. To address the dynamical interparticle …

Orientation-dependent propulsion of active Brownian spheres: from self-advection to programmable cluster shapes

S Bröker, J Bickmann, M Te Vrugt, ME Cates… - Physical Review Letters, 2023 - APS
Applications of active particles require a method for controlling their dynamics. While this is
typically achieved via direct interventions, indirect interventions based, eg, on an orientation …

Derivation and analysis of a phase field crystal model for a mixture of active and passive particles

M te Vrugt, MP Holl, A Koch… - … and Simulation in …, 2022 - iopscience.iop.org
We discuss an active phase field crystal (PFC) model that describes a mixture of active and
passive particles. First, a microscopic derivation from dynamical density functional theory is …

Jerky active matter: a phase field crystal model with translational and orientational memory

M Te Vrugt, J Jeggle, R Wittkowski - New Journal of Physics, 2021 - iopscience.iop.org
Most field theories for active matter neglect effects of memory and inertia. However, recent
experiments have found inertial delay to be important for the motion of self-propelled …

Field theory of active chiral hard disks: A first-principles approach to steric interactions

E Kalz, A Sharma, R Metzler - Journal of Physics A: Mathematical …, 2024 - iopscience.iop.org
A first-principles approach for active chiral hard disks is presented, that explicitly accounts
for steric interactions on the two-body level. We derive an effective one-body equation for the …