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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.

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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

A manifold of pure Gibbs states of the Ising model on a Cayley tree

Daniel Gandolfo, Jean Ruiz, Senya Shlosman

Journal of Statistical Physics, 2012, 148 (06), pp.999-1005. (10.1007/s10955-012-0574-y)

Journal articles


On the Dynamics of Human Proximity for Data Diffusion in Ad-Hoc Networks

André Panisson, Alain Barrat, Ciro Cattuto, Wouter van Den Broeck, Giancarlo Ruffo, Rossano Schifanella

Ad Hoc Networks, 2012, 10 (8), pp.1532. (10.1016/j.adhoc.2011.06.003)

Journal articles


Entropic Functionals in Quantum Statistical Mechanics

Vojkan Jaksic, Claude-Alain Pillet

XVIIth International Congress on Mathematical Physics, Aug 2012, Aalborg, Denmark. pp.336-343, (10.1142/9789814449243_0024)

Conference papers


Disorder induced phase transition in kinetic models of opinion dynamics

Soumya Jyoti Biswas, Arnab Chatterjee, Parongama Sen

Physica A: Statistical Mechanics and its Applications, 2012, 391 (11), pp.3257-3265. (10.1016/j.physa.2012.01.046)

Journal articles


Complex structures and semantics in free word association

Pietro Gravino, Vito Servedio, Alain Barrat, Vittorio Loreto

Advances in Complex Systems (ACS), 2012, 15, pp.1250054

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Journal articles


Entropic Fluctuations in Quantum Statistical Mechanics. An Introduction

Vojkan Jaksic, Yoshiko Ogata, Yan Pautrat, Claude-Alain Pillet

Jürg Fröhlich, Manfred Salmhofer, Vieri Mastropietro, Wojciech De Roeck, and Leticia F. Cugliandolo. Quantum Theory from Small to Large Scales, Oxford University Press, pp.213--410, 2012, Lecture Notes of the Les Houches Summer School: Volume 95, 978-0-19-965249-5

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Book Section


Random walks on temporal networks

Michele Starnini, Andrea Baronchelli, Alain Barrat, Romualdo Pastor-Satorras

Physical Review E : Statistical, Nonlinear, and Soft Matter Physics [2001-2015], 2012, 85, pp.056115. (10.1103/PhysRevE.85.056115)

Journal articles


Internet change-t-il les relations humaines?

Alain Barrat

2012, pp.44

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Other publication


Friendship prediction and homophily in social media

Luca Maria Aiello, Alain Barrat, Rossano Schifanella, C. Cattuto, Benjamin Markines, Filippo Menczer

ACM Transactions on the Web, 2012, 6 (2), pp.9. (10.1145/2180861.2180866)

Journal articles


Dynamics and statistics of systems with long range interactions: application to 1-dimensional toy-models

Alessio Turchi

Statistical Mechanics [cond-mat.stat-mech]. Aix Marseille Université, 2012. English. (NNT : )

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Thesis