Correction for 'Transient coarsening and the motility of optically heated Janus colloids in a binary liquid mixture' by Juan Ruben Gomez-Solano et al., Soft Matter, 2020, DOI: 10.1039/d0sm00964d.
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http://dx.doi.org/10.1039/d0sm90174a | DOI Listing |
Phys Rev Lett
September 2024
Collège de France, 11 Place Marcelin Berthelot, 75005 Paris, France.
Many active systems display nematic order, while interacting with their environment. In this Letter, we show theoretically how environment-stored memory acts an effective external field that aligns active nematics. The coupling to the environment leads to substantial modifications of the known phase diagram and dynamics of active nematics, including nematic order at arbitrarily low densities and arrested domain coarsening.
View Article and Find Full Text PDFNat Cell Biol
October 2024
Institut Curie, CNRS UMR3215, INSERM U934, PSL Research University and Sorbonne Université, Paris, France.
During preimplantation development, mouse embryos form a fluid-filled lumen. Pressurized fluid fractures cell-cell contacts and accumulates into pockets, which coarsen into a single lumen. How the embryo controls intercellular fluid movement during coarsening is unknown.
View Article and Find Full Text PDFPhys Rev E
March 2024
Department of Physics and Institute for Fundamental Science, University of Oregon, Eugene, Oregon 97403, USA.
We develop and study the hydrodynamic theory of flocking with autochemotaxis. This describes large collections of self-propelled entities all spontaneously moving in the same direction, each emitting a substance which attracts the others (e.g.
View Article and Find Full Text PDFSoft Matter
May 2024
Centre for Condensed Matter Theory, Department of Physics, Indian Institute of Science, Bangalore, 560012, India.
We uncover a new type of turbulence - activity-induced homogeneous and isotropic turbulence - in a model that has been employed to investigate motility-induced phase separation (MIPS) in a system of microswimmers. The active Cahn-Hilliard-Navier-Stokes (CHNS) equations, also called active model H, provide a natural theoretical framework for our study. In this CHNS model, a single scalar order parameter , positive (negative) in regions of high (low) microswimmer density, is coupled with the velocity field .
View Article and Find Full Text PDFPhys Rev Lett
October 2023
Max Planck Institute for Dynamics and Self-Organization (MPI-DS), 37077 Göttingen, Germany.
We study a minimal model involving two species of particles interacting via quorum-sensing rules. Combining simulations of the microscopic model and linear stability analysis of the associated coarse-grained field theory, we identify a mechanism for dynamical pattern formation that does not rely on the standard route of intraspecies effective attractive interactions. Instead, our results reveal a highly dynamical phase of chasing bands induced only by the combined effects of self-propulsion and nonreciprocity in the interspecies couplings.
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