CE30 - Physique de la matière condensée et de la matière diluée

Thermodynamics of Active Matter – THEMA

Submission summary

Large assemblies of living or synthetic self-propelled particles make up Active Matter. They operate far from equilibrium without necessarily leading to macroscopic currents, hence a superficial resemblance to their equilibrium counterparts. Our project focuses on the theoretical challenges posed by the emergent local and global order observed in such systems. It builds on the counterintuitive idea, supported by encouraging attempts, that thermodynamics-based ideas will help rationalize and predict the wealth of phase behaviors observed in active systems. Our threefold approach is based on exploring statistical concepts like entropy (without its thermal meaning, understood as a means of counting states), exploring mechanical or chemical concepts like pressure, chemical potential, surface tension (without their free energy interpretation), and connecting local structure to effective interactions, by means of energetics or dynamic approaches (without invoking the Boltzmann measure).

Project coordination

Frédéric Van Wijland (Laboratoire Matière et Systèmes Complexes)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

MSC - UParis Laboratoire Matière et Systèmes Complexes
L2C Laboratoire Charles Coulomb
LPTHE Laboratoire de physique théorique et hautes énergies

Help of the ANR 349,593 euros
Beginning and duration of the scientific project: - 48 Months

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