Year: 2014
Type: article
Abstract: We show that hydrodynamic theories of polar active matter generically possess inhomogeneous traveling solutions. We introduce a unifying dynamical-system framework to establish the shape of these intrinsically nonlinear patterns, and show that they correspond to those hitherto observed in experiments and numerical simulation: periodic density waves, and solitonic bands, or polar-liquid droplets both cruising in isotropic phases. We elucidate their respective multiplicity and mutual relations, as well as their existence domain.
Source: Physical Review Letters
Institutions: École Normale Supérieure de Lyon, Centre National de la Recherche Scientifique, Université de Lyon, Sorbonne Paris Cité, Laboratoire Matière et Systèmes Complexes, Université Paris Diderot, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, CEA Paris-Saclay - Etablissement de Saclay, Max Planck Institute for the Physics of Complex Systems, Service de Physique de l'État Condensé, CEA Paris-Saclay, Laboratoire de Physique Théorique de la Matière Condensée, Université Pierre-et-Marie-Curie, Leiden University
Language: English
Topic: Micro and Nano Robotics
Subfield: Condensed Matter Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
Award: Microfluidic Traffic
OpenAlex ID: W2081375957