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Statistical Mechanics of Active Matter

Obiettivo

The study of living matter has to be considered as an exciting and substantive
part of the modern definition of physics. Whether a general statistical
mechanics exists for broad classes of of active systems and what is the
quantitative predictive power that we could expect from those theories remain
still open and debated questions. Reductionism and approximations, the most
powerful weapons of theoretical physicists have to face a degree of complexity
that has no analogue in non living matter. That results in a number of
phenomenological parameters whose connection to microscopic quantities is
rarely supported by experimental data. Moreover some of the most peculiar and
potentially groundbreaking properties of active matter can only be evidenced in
the presence of external force fields and are still largely unexplored.

We propose to combine frontier research tools for 3D holographic
micromanipulation and 3D two-photon microfabrication to gain an unprecedented
active role in probing active matter dynamics, from few bodies interactions up
to collective behavior. For example, we will study bacteria interactions by
grabbing, orienting and releasing individual bacteria in a sort of
bacteria-bacteria scattering experiments. On the other hand optical energy
landscapes, which can be structured in space and time, will allow to study
collective response to the tunable and smooth fields that are particularly
suited for theoretical treatment. Furthermore two-photon lithography will
allow the microfabrication of arbitrarily shaped 3D structures that will be
used as probes for the highly non-trivial correlations and response functions
in non equilibrium active baths.

Besides providing a playground for theoretical developments in non-equilibrium
physics, this project will explore novel opportunities to exploit active
matter as a SMART material, capable of performing useful tasks in micro and
nano engineered devices.
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Ricercatore principale

Roberto Di Leonardo (Dr.)

Istituzione ospitante

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA

Indirizzo

Piazzale Aldo Moro 5
00185 Roma

Italia

Tipo di attività

Higher or Secondary Education Establishments

Contributo UE

€ 1 062 000

Ricercatore principale

Roberto Di Leonardo (Dr.)

Contatto amministrativo

Paolo Mataloni (Prof.)

Beneficiari (2)

Classifica in ordine alfabetico

Classifica per Contributo UE

Espandi tutto

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA

Italia

Contributo UE

€ 1 062 000

CONSIGLIO NAZIONALE DELLE RICERCHE

Italia

Contributo UE

€ 386 400

Informazioni relative al progetto

ID dell’accordo di sovvenzione: 307940

Stato

Progetto concluso

  • Data di avvio

    1 Novembre 2012

  • Data di completamento

    31 Ottobre 2017

Finanziato da:

FP7-IDEAS-ERC

  • Bilancio complessivo:

    € 1 448 400

  • Contributo UE

    € 1 448 400

Ospitato da:

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA

Italia