Motility-Regulation and Self-Organization in Active Matter by Julien Tailleur
Offered By: International Centre for Theoretical Sciences via YouTube
Course Description
Overview
Syllabus
Motility-regulation and self-organization in Active Matter Remote talk
Non-equilibrium physics is like non-elephant biology
Run-and-tumble bacteria [Berg & Brown, Nature, 1972]
Self-propelled colloids
Self-organization in & out of equilibrium
Motility-control as a self-organization principle
Position-dependent self-propulsion speed vr
Position-dependent self-propulsion speed "r
Experiments with bacteria
[Demo]
Interactions: Quorum-Sensing
Light-controlled active colloids Volpe et al Soft Mat 201 1|
Destabilizing feedback loop
Hydrodynamics of Equilibrium Phase-Separation
Hydrodynamics of Quorum-sensing active particles
An exactly solvable case
Phase equilibrium
MIPS from repulsive forces
Be wise, discretize
An exactly solvable case
Pressure-driven instability
Pairwise forces-Summary
Back to bacteria: Motility-Induced Pattern Formation MIPF
Interplay between density and mobility: Quorum-sensing interactions
Pattern formation in bacterial colonies: a simple mechanism
Birth & death vs phase separation
Mathematically: linear stability analysis
Selection of a lengthscale
Multi-component bacterial colonies with J. Huang, HKU
Experimental results [N. Zhou, Y. Zhao, A. Daerr]
Macroscopic dynamics Agnese Curatolo
The origin of the patterns
Overall dynamics
N-species MIPF
Summary
Taught by
International Centre for Theoretical Sciences
Related Courses
水力学 | HydraulicsTsinghua University via edX L’eau et les sols - Hydrodynamique des milieux poreux
Université catholique de Louvain via edX Modeling Transport Phenomena of Microparticles
Indian Institute of Technology, Kharagpur via Swayam Marine Propulsion
Indian Institute of Technology, Kharagpur via Swayam 3D Coastal Modelling
Australian Water School via YouTube