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Active matter, statistical physics of bacteria
MSC : Adrian Daerr, Julien Tailleur, Ken Sekimoto.
One major challenge for 21st century statistical physics is the development of tools for out-of-equilibrium systems that are as universal and powerful as the 19th century tools for equilibrium systems, which have been used everywhere from linking thermodynamics and atoms to modelling pandemics. In this context bacteria appear as an experimental model system: the microscopic dynamics can be observed and characterised, and linked to macroscopic, averaged observables. This provides constraints and tests for coarse-graining procedures.
One model system we are particularly interested in is the mass swarming of Bacillus Subtilis, where the bacteria rapidly and collectively colonise a surface at speeds of 1cm/hour or more. We study both the global dynamics and the interactions at the level of individual bacteria with the aim of linking the two scales.
Nom des membres actuels ou anciens
DAERR Adrian, SEKIMOTO Ken, TAILLEUR Julien, DERVAUX Julien
General keyword
Teams
Keywords
- Morphogenesis, embryogenesis, development, collective motion, self-organization
- Out of equilibrium dynamic systems and nonlinear physics
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