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Statistical Physics and Complex Systems

Group “Statistical Physics and Condensed Matter”

Statistical Physics and Complex Systems The activities of the “Statistical Physics and Complex Systems” team cover a wide spectrum. The first research direction concerns rigorous statistical mechanics, in particular the study of phase transitions in exactly solvable cases and/or from a geometric perspective. The second direction concerns the statistical physics of open quantum systems (out of equilibrium), and the development of models and analytical tools to study non-equilibrium steady states. The third direction focuses on the statistical physics of complex systems and complex networks, from the study of their structure to the study of dynamical processes on networks, and is pioneering in the study of temporal networks. Since the network paradigm can be used to describe many systems of different origins and natures, our research is interdisciplinary, including interactions with the social sciences, epidemiology, computer science, and neuroscience.

The team also participates in the Convergence Institute CENTURI. Since 2019 it has hosted three PIs partially funded by CENTURI, whose research topics concern collective effects and self-organization in living systems, cell mechanics, and neuroscience. They interact with experimental groups at IBDM and INMED.

The methods used by the team members range from rigorous mathematical tools to numerical simulations and the analysis of empirical data, covering the full range of standard approximation tools in statistical physics.

Team's directory

AGOSTINELLI Cosimo

Ph.D.

Contact
ASCH Joachim

Research teacher

+33.4.91.26.95.20

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ASCHBACHER Walter

Research teacher

+33.4.91.26.95.16

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BARRAT Alain

Researcher

Director

+33.4.91.26.95.40

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BREIER Patrick

Visitor

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ESTAVOYER Maxime

Post Ph.D.

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GAMBAUDO Juliette

Ph.D.

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GANDOLFO Daniel

Research teacher

+33.4.91.26.95.10

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GENOIS Mathieu

Research teacher

Team leader « Statistical Physics and Complex Systems »

+33.4.91.26.95.42

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IANNELLO Ludovico

Ph.D.

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MANCASTROPPA Marco

Post Ph.D.

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MAURIAL Gabriel

Ph.D.

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MERKEL Matthias

Researcher

+33.4.91.26.95.12

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NATH Sujit-Kumar

Post Ph.D.

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PEREZ Pablo

Ph.D.

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PILLET Claude-Alain

Research teacher

+33.4.91.26.95.32

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PLOTZE Yan

Ph.D.

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QAZI Saaheelur-Rahaman

Ph.D.

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ROUAULT Herve

Researcher

+33.4.91.26.95.13

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ROULEUX Michel

Research teacher

+33.4.91.26.97.97

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RUPPRECHT Jean-Francois

Researcher

+33.4.91.26.95.14

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SABY Florian

Ph.D.

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SHLOSMAN Senya

Researcher emeritus

+33.4.91.26.95.31

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VIEIRA-MENDES Toni

Post Ph.D.

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VINZE Prathmesh

Post Ph.D.

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WANG Michael

Post Ph.D.

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ZETT Lukas

Ph.D.

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Team's publications

From temporal network data to the dynamics of social relationships

Alain Barrat, Valeria Gelardi, Didier Le Bail, Nicolas Claidière

Proceedings of the Royal Society B: Biological Sciences, 2021, 288 (1959), pp.20211164. (10.1098/rspb.2021.1164)

Journal articles


Simplicial contagion in temporal higher-order networks

Sandeep Chowdhary, Aanjaneya Kumar, Giulia Cencetti, Iacopo Iacopini, Federico Battiston

Journal of Physics: Complexity, 2021, 2 (3), pp.035019. (10.1088/2632-072X/ac12bd)

Journal articles


Physical bioenergetics: Energy fluxes, budgets, and constraints in cells

Xingbo Yang, Matthias Heinemann, Jonathon Howard, Greg Huber, Srividya Iyer-Biswas, Guillaume Le Treut, Michael Lynch, Kristi L Montooth, Daniel J Needleman, Simone Pigolotti, et al.

Proceedings of the National Academy of Sciences of the United States of America, 2021, 118 (26), pp.e2026786118. (10.1073/pnas.2026786118)

Journal articles


Predicting partially observed processes on temporal networks by Dynamics-Aware Node Embeddings (DyANE)

Koya Sato, Mizuki Oka, Alain Barrat, Ciro Cattuto

EPJ Data Science, 2021, 10 (1), pp.22. (10.1140/epjds/s13688-021-00277-8)

Journal articles


Effect of manual and digital contact tracing on COVID-19 outbreaks: a study on empirical contact data

Alain Barrat, C. Cattuto, M. Kivelä, S. Lehmann, J. Saramäki

Journal of the Royal Society Interface, 2021, 18 (178), pp.20201000. (10.1098/rsif.2020.1000)

Journal articles


Building surrogate temporal network data from observed backbones

Charley Presigny, Petter Holme, Alain Barrat

Physical Review E , 2021, 103 (5), (10.1103/PhysRevE.103.052304)

Journal articles


On the Dual Nature of Adoption Processes in Complex Networks

Iacopo Iacopini, Vito Latora

Frontiers in Physics, 2021, 9, pp.604102. (10.3389/fphy.2021.604102)

Journal articles


Anatomy of digital contact tracing: Role of age, transmission setting, adoption, and case detection

Jesús Moreno López, Beatriz Arregui García, Piotr Bentkowski, Livio Bioglio, Francesco Pinotti, Pierre-Yves Boëlle, Alain Barrat, Vittoria Colizza, Chiara Poletto

Science Advances , 2021, 7 (15), pp.eabd8750. (10.1126/sciadv.abd8750)

Journal articles


Digital proximity tracing on empirical contact networks for pandemic control

G. Cencetti, G. Santin, A. Longa, E. Pigani, Alain Barrat, C. Cattuto, S. Lehmann, M. Salathé, B. Lepri

Nature Communications, 2021, 12 (1), (10.1038/s41467-021-21809-w)

Journal articles


Direct-forcing immersed-boundary method: a simple correction preventing boundary slip error

Simon Gsell, Julien Favier

Journal of Computational Physics, 2021, 435, pp.110265. (10.1016/j.jcp.2021.110265)

Journal articles