AG — Prof. Heiko Rieger — Statistical Physics

Big picture of Matthieu

Matthieu Mangeat, Dr.


Department of Theoretical Physics,
Saarland University Campus, Saarbrücken

Building E2.6

Room: 1.04

Phone: +49-(0)681 302 2973


Projects and Research Interest

  • Active Matter Physics.
  • Out-of-equilibrium statistical physics.
  • Dispersion of Brownian particles in heterogeneous media.
  • Brownian vortices created by non-conservative force.
  • Spatially inhomogeneous search strategies of Brownian particles.

Short C.V.

  • 11/2018 - present: Universität des Saarlandes (Saarbrücken), group of Prof. Heiko Rieger, Post. Doc. position
  • 10/2015 - 09/2018: Université de Bordeaux and Laboratoire Ondes et Matière d'Aquitaine (Bordeaux, France), directed by David S. Dean and T. Guérin, PhD Student.
  • 01/2015 - 02/2015: École Normale Supérieure and LPTENS (Paris, France), supervised by Francesco Zamponi
  • 02/2014 - 07/2014: Universität des Saarlandes (Saarbrücken), supervised by Prof. Heiko Rieger and Karsten Schwarz, Master Student.
  • 09/2012 - 06/2015: École Normale Supérieure (Paris, France), Bachelor (3rd year) and Master Student
  • 09/2009 - 07/2012: Lycée René Cassin (Bayonne, France) Classe Préparatoire aux Grandes Écoles (corresponding to the two first years of Bachelor degree to enter the French "Grandes Écoles")


A. Alexandre, M. Mangeat, T. Guérin, and D. S. Dean, How Stickiness Can Speed Up Diffusion in Confined Systems, Phys. Rev. Lett. 128, 210601 (2022).

M. Mangeat, T. Guérin, and D. S. Dean, Steady state of overdamped particles in the non-conservative force field of a simple non-linear model of optical trap, J. Stat. Mech. (2021) 113205.

M. Mangeat, T. Guérin, and D. S. Dean, Effective diffusivity of Brownian particles in a two dimensional square lattice of hard disks, J. Chem. Phys. 152, 234109 (2020).

M. Mangeat, Y. Amarouchene, Y. Louyer, T. Guérin, and D. S. Dean, Role of nonconservative scattering forces and damping on Brownian particles in optical traps, Phys. Rev. E 99, 052107 (2019).

Y. Amarouchene, M. Mangeat, B. Vidal Montes, L. Ondic, T. Guérin, D. S. Dean, and Y. Louyer, Nonequilibrium Dynamics Induced by Scattering Forces for Optically Trapped Nanoparticles in Strongly Inertial Regimes, Phys. Rev. Lett. 122, 183901 (2019).

M. Mangeat, T. Guérin, and D. S. Dean, Dispersion in two-dimensional periodic channels with discontinuous profiles, J. Chem. Phys. 149, 124105 (2018).

M. Mangeat, T. Guérin, and D. S. Dean, Dispersion in two dimensional channels - the Fick-Jacobs approximation revisited, J. Stat. Mech. (2017) 123205.

M. Mangeat, T. Guérin, and D. S. Dean, Geometry controlled dispersion in periodic corrugated channels, EPL 118, 40004 (2017).

M. Mangeat and F. Zamponi, Quantitative approximation schemes for glasses, Phys. Rev. E 93, 012609 (2016).

[1] M. Mangeat, S. Chakraborty, A. Wysocki and H. Rieger
Stationary particle currents in sedimenting active matter wetting a wall
submitted (2023) [pdf], [arXiv]
[2] M. Karmakar, S. Chatterjee, M. Mangeat, H. Rieger and R. Paul
Jamming and flocking in the restricted active Potts model
Phys. Rev. E 108, 014204 (2023) [pdf], [arXiv]
[3] S. Chatterjee, M. Mangeat, C.-U. Woo, H. Rieger and J. D. Noh
Flocking of two unfriendly species: The two-species Vicsek model
Phys. Rev. E 107, 024607 (2023) [pdf], [arXiv]
[4] S. Chatterjee, M. Mangeat and H. Rieger
Polar flocks with discretized directions: the active clock model approaching the Vicsek model
EPL 138, 41001 (2022) [pdf], [Supplement], [arXiv]
[5] M. Mangeat and H. Rieger
Narrow escape problem in two-shell spherical domains
Phys. Rev. E 104, 044124 (2021) [pdf], [arXiv]
[6] M. Mangeat, S. Chatterjee, R. Paul and H. Rieger
Flocking with a q-fold discrete symmetry: band-to-lane transition in the active Potts model
Phys. Rev. E 102, 042601 (2020) [pdf], [arXiv]
[7] S. Chatterjee, M. Mangeat, R. Paul and H. Rieger
Flocking and re-orientation transition in the 4-state active Potts model
EPL 130, 66001 (2020) [pdf], [arXiv]
[8] M. Mangeat and H. Rieger
The narrow escape problem in a circular domain with radial piecewise constant diffusivity
J. Phys. A 52, 424002 (2019) [pdf], [arXiv]
[9] X. Zhou, R. Zhao, K. Schwarz, M. Mangeat, E. C. Schwarz, M. Hamed, I. Bogeski, V. Helms, H. Rieger and B. Qu
Bystander cells enhance NK cytotoxic efficiency by reducing search time
Scientific Reports 7, 44357 (2017) [pdf]

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