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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

Contact
ASCHBACHER Walter

Research teacher

+33.4.91.26.95.16

Contact
BARRAT Alain

Researcher

Director

+33.4.91.26.95.40

Contact
BREIER Patrick

Visitor

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ESTAVOYER Maxime

Post Ph.D.

Contact
GAMBAUDO Juliette

Ph.D.

Contact
GANDOLFO Daniel

Research teacher

+33.4.91.26.95.10

Contact
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.

Contact
MERKEL Matthias

Researcher

+33.4.91.26.95.12

Contact
NATH Sujit-Kumar

Post Ph.D.

Contact
PEREZ Pablo

Ph.D.

Contact
PILLET Claude-Alain

Research teacher

+33.4.91.26.95.32

Contact
PLOTZE Yan

Ph.D.

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QAZI Saaheelur-Rahaman

Ph.D.

Contact
ROUAULT Herve

Researcher

+33.4.91.26.95.13

Contact
ROULEUX Michel

Research teacher

+33.4.91.26.97.97

Contact
RUPPRECHT Jean-Francois

Researcher

+33.4.91.26.95.14

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SABY Florian

Ph.D.

Contact
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.

Contact
WANG Michael

Post Ph.D.

Contact
ZETT Lukas

Ph.D.

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Team's publications

Behavioral Changes Associated With COVID-19 Vaccination: Cross-National Online Survey

Alessandro de Gaetano, Paolo Bajardi, Nicolò Gozzi, Nicola Perra, Daniela Perrotta, Daniela Paolotti

Journal of Medical Internet Research, 2023, 25, pp.e47563. (10.2196/47563)

Journal articles


Contact networks have small metric backbones that maintain community structure and are primary transmission subgraphs

Rion Brattig Correia, Alain Barrat, Luis M Rocha

PLoS Computational Biology, 2023, 19 (2), pp.e1010854. (10.1371/journal.pcbi.1010854)

Journal articles


Distinguishing simple and complex contagion processes on networks

Giulia Cencetti, Diego Andrés Contreras, Marco Mancastroppa, Alain Barrat

Physical Review Letters, 2023, 130, pp.247401. (10.1103/PhysRevLett.130.247401)

Journal articles


Simplicially driven simple contagion

Maxime Lucas, Iacopo Iacopini, Thomas Robiglio, Alain Barrat, Giovanni Petri

Physical Review Research, 2023, 5 (1), pp.013201. (10.1103/PhysRevResearch.5.013201)

Journal articles


On Araki's extension of the Jordan-Wigner transformation

Walter H. Aschbacher

Rev.Math.Phys., 2023, 35 (05), pp.2330001. (10.1142/S0129055X23300017)

Journal articles


Operator Representation and Class Transitions in Elementary Cellular Automata

Muhamet Ibrahimi, Arda Güçlü, Naide Jahangirov, Mecit Yaman, Oguz Gülseren, Seymur Jahangirov

Complex Systems , 2022, 31 (4), pp.415-432. (10.25088/ComplexSystems.31.4.415)

Journal articles


Influential groups for seeding and sustaining nonlinear contagion in heterogeneous hypergraphs

Guillaume St-Onge, Iacopo Iacopini, Vito Latora, Alain Barrat, Giovanni Petri, Antoine Allard, Laurent Hébert-Dufresne

Communications Physics, 2022, 5 (1), pp.25. (10.1038/s42005-021-00788-w)

Journal articles


Mechanical stress driven by rigidity sensing governs epithelial stability

Surabhi Sonam, Lakshmi Balasubramaniam, Shao-Zhen Lin, Ying Ming Yow Ivan, Irina Pi Jaumà, Cecile Jebane, Marc Karnat, Yusuke Toyama, Philippe Marcq, Jacques Prost, et al.

2022

Preprint, Working paper


Randomized reference models for temporal networks

Laetitia Gauvin, Mathieu Génois, Marton Karsai, Mikko Kivelä, Taro Takaguchi, Eugenio Valdano, Christian L. Vestergaard

SIAM Review, 2022, 64 (4), (10.1137/19M1242252)

Journal articles


Two-point optical manipulation reveals mechanosensitive remodeling of cell-cell contacts in vivo

Kenji Nishizawa, Shao-Zhen Lin, Claire Chardès, Jean-François Rupprecht, Pierre-François Lenne

2022

Preprint, Working paper