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Pattern formation in bacterial colonies: a simple mechanism
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Motility-Regulation and Self-Organization in Active Matter by Julien Tailleur
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- 1 Motility-regulation and self-organization in Active Matter Remote talk
- 2 Non-equilibrium physics is like non-elephant biology
- 3 Run-and-tumble bacteria [Berg & Brown, Nature, 1972]
- 4 Self-propelled colloids
- 5 Self-organization in & out of equilibrium
- 6 Motility-control as a self-organization principle
- 7 Position-dependent self-propulsion speed vr
- 8 Position-dependent self-propulsion speed "r
- 9 Experiments with bacteria
- 10 [Demo]
- 11 Interactions: Quorum-Sensing
- 12 Light-controlled active colloids Volpe et al Soft Mat 201 1|
- 13 Destabilizing feedback loop
- 14 Hydrodynamics of Equilibrium Phase-Separation
- 15 Hydrodynamics of Quorum-sensing active particles
- 16 An exactly solvable case
- 17 Phase equilibrium
- 18 MIPS from repulsive forces
- 19 Be wise, discretize
- 20 An exactly solvable case
- 21 Pressure-driven instability
- 22 Pairwise forces-Summary
- 23 Back to bacteria: Motility-Induced Pattern Formation MIPF
- 24 Interplay between density and mobility: Quorum-sensing interactions
- 25 Pattern formation in bacterial colonies: a simple mechanism
- 26 Birth & death vs phase separation
- 27 Mathematically: linear stability analysis
- 28 Selection of a lengthscale
- 29 Multi-component bacterial colonies with J. Huang, HKU
- 30 Experimental results [N. Zhou, Y. Zhao, A. Daerr]
- 31 Macroscopic dynamics Agnese Curatolo
- 32 The origin of the patterns
- 33 Overall dynamics
- 34 N-species MIPF
- 35 Summary
