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Statistical Physics and Complex Systems

Group “Statistical Mechanics and Condensed Matter”

The activities of the “Statistical Physics and Complex Systems” team revolve around three broad directions, which cover a large area of statistical physics. The first one deals with rigorous statistical mechanics and in particular with the study of phase transition phenomena for exactly solvable models and/or from a geometrical point of view. The second deals with statistical mechanics of open quantum systems out of equilibrium and the development of models and analytical tools to study the corresponding non-equilibrium stationary states. In the third research direction, we study the statistical physics of complex systems and complex networks: our studies go from the structure of networks to the study of dynamical processes taking place on them, and focuses particularly on the case of temporal network. As the network paradigm can be used to describe many systems of different origins and nature, our research has natural links with other disciplines, in particular epidemiology, computer science, social sciences, neurosciences.

The team is also affiliated with the CENTURI Institute (Turing Center for living systems). Since 2019, 3 PIs funded by CENTURI are hosted by the team. Their research topic concern collective effects and self-organisation in living systems, out-of-equilibrium fluctuations in living matter, and neurosciences. The Pis interact with experimental teams in the IBDM and in the INMED.

The methods used by the team’s members range from rigorous mathematical tools to numerical simulations and empirical data analysis, through the whole toolkit of approximations standardly used in statistical physics.

Directory of Members

Asch Joachim University faculty
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Aschbacher Walter University faculty
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Barrat Alain Adjunct director
Chef de l’équipe « Physique statistique et systèmes complexes »
Référent pôle de recherche interdisciplinaire et intersectoriel AMU - Santé et sciences de la vie
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Gandolfo Daniel University faculty
Chef du Groupe « Physique statistique et matière condensée »
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Genois Mathieu University faculty
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GSELL Simon Postdoctoral researcher
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IBRAHIMI Muhamet PhD candidate
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KARNAT Marc PhD candidate
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LE BAIL Didier PhD candidate
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LIENARD François PhD candidate
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Merkel Matthias Researcher
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PERRIN Marc-Eric PhD candidate
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Pillet Claude-Alain University faculty
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Ronceray Pierre + Email
ROUAULT Hervé Researcher
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Rouleux Michel University faculty
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Ruiz Jean Researcher
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RUPPRECHT Jean-François Researcher
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SELLAPILLAY Kevissen PhD candidate
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Shlosman Senya Emeritus
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SOLOD Alla PhD candidate
VOLOSHYNA Viktoriia PhD candidate
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List of Publications

247 results
Journal article
Rym Ben Sâad, Claude-Alain Pillet
A Geometric Approach to the Landauer-Büttiker Formula
Journal of Mathematical Physics, American Institute of Physics (AIP), 2014, 55, pp.075202. ⟨10.1063/1.4879238⟩
Journal article
Przemyslaw A. Grabowicz, José Ramasco, Bruno Goncalves, Victor Eguiluz
Entangling Mobility and Interactions in Social Media
PLoS ONE, Public Library of Science, 2014, 9, pp.e92196. ⟨10.1371/journal.pone.0092196⟩
Journal article
Horia Cornean, Valeriu Moldoveanu, Claude-Alain Pillet
On the steady state correlation functions of open interacting systems
Communications in Mathematical Physics, Springer Verlag, 2014, 331 (1), pp.261-295. ⟨10.1007/s00220-014-1925-0⟩
Journal article
Alain Barrat, C. Cattuto, A.E. Tozzi, Philippe Vanhems, Nicolas Voirin
Measuring contact patterns with wearable sensors: methods, data characteristics and applications to data-driven simulations of infectious diseases
Clinical Microbiology and Infection, Elsevier for the European Society of Clinical Microbiology and Infectious Diseases, 2014, 20, pp.10. ⟨10.1111/1469-0691.12472⟩
Book Section
Sarah de Nigris, Xavier Leoncini
From Long-Range Order to Complex Networks, an Hamiltonian Dynamics Perspective
Valentin Afraimovich; Albert C. J. Luo; Xilin Fu. Nonlinear Dynamics and Complexity, 8, Springer, pp.1-39, 2014, Nonlinear Systems and Complexity, 978-3-319-02352-6. ⟨10.1007/978-3-319-02353-3_1⟩
Journal article
Ricardo Elías, Alberto Verga
Topological changes of two-dimensional magnetic textures
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2014, 89, pp.134405. ⟨10.1103/PhysRevB.89.134405⟩
Journal article
Alberto Verga
Skyrmion to ferromagnetic state transition: A description of the topological change as a finite-time singularity in the skyrmion dynamics
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2014, 90, pp.174428 - 174428. ⟨10.1103/PhysRevB.90.174428⟩
Other publication
Vojkan Jaksic, Claude-Alain Pillet, Robert Seiringer
2014, ⟨10.1063/1.4884877⟩
Conference paper
Joachim Asch, Olivier Bourget, Victor Cortes, Claudio Fernandez
Lower bounds for sojourn time in a simple shape resonance model
International Conference Spectral Theory and Mathematical Physics, 2014, Santiago, Chile
Journal article
Nicolas Tremblay, Alain Barrat, Cary Forest, Mark Nornberg, Jean-François Pinton, Pierre Borgnat
Bootstrapping under constraint for the assessment of group behavior in human contact networks
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2013, 88, pp.052812. ⟨10.1103/PhysRevE.88.052812⟩
247 results