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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

Dessine-moi une particule. De quoi la physique quantique est-elle la science ?

Olivier Nannipieri, Walter H. Aschbacher

Cité des convergences, Sep 2016, Toulon, France

HAL

Conference papers


On a quantum phase transition in a steady state out of equilibrium

Walter H. Aschbacher

Journal of Physics A: Mathematical and Theoretical, 2016, 49 (41), pp.415201. (10.1088/1751-8113/49/41/415201)

Journal articles


Optimizing experimental parameters for tracking of diffusing particles

Christian L. Vestergaard

Physical Review E , 2016, 94 (2), pp.022401. (10.1103/PhysRevE.94.022401)

Journal articles


Contact diaries versus wearable proximity sensors in measuring contact patterns at a conference: method comparison and participants’ attitudes

Timo Smieszek, Stefanie Castell, Alain Barrat, Ciro Cattuto, Peter J. White, Gérard Krause

BMC Infectious Diseases, 2016, 16, pp.341. (10.1186/s12879-016-1676-y)

Journal articles


Impact of spatially constrained sampling of temporal contact networks on the evaluation of the epidemic risk

Christian L. Vestergaard, Eugenio Valdano, Mathieu Génois, Chiara Poletto, Vittoria Colizza, Alain Barrat

European Journal of Applied Mathematics, 2016, 27 (6), pp.941-957. (10.1017/S0956792516000309)

Journal articles


How to Estimate Epidemic Risk from Incomplete Contact Diaries Data?

Rossana Mastrandrea, Alain Barrat

PLoS Computational Biology, 2016, 12 (6), pp.e1005002. (10.1371/journal.pcbi.1005002)

Journal articles


Quantifying social contacts in a household setting of rural Kenya using wearable proximity sensors

Moses C Kiti, Michele Tizzoni, Timothy M Kinyanjui, Dorothy C Koech, Patrick K Munywoki, Milosch Meriac, Luca Cappa, André Panisson, Alain Barrat, Ciro Cattuto, et al.

EPJ Data Science, 2016, 5, pp.21. (10.1140/epjds/s13688-016-0084-2)

Journal articles


Entropic fluctuations in Gaussian dynamical systems

Vojkan Jaksic, Claude-Alain Pillet, Armen Shirikyan

Reports on Mathematical Physics, 2016, 77 (3), pp.335-376. (10.1016/S0034-4877(16)30034-9)

Journal articles


Évaluer le risque épidémique à partir de données lacunaires

Mathieu Génois, Christian L. Vestergaard, Alain Barrat

Médecine/Sciences, 2016, 32 (5), pp.506. (10.1051/medsci/20163205019)

Journal articles


Queuing Networks with Varying Topology -- A Mean-Field Approach

François Baccelli, Alexandre Rybko, Senya Shlosman

2016

Preprint, Working paper