Laboratoire de Physique Théorique de la Matière Condensée




PhD Student

Laboratoire de Physique Théorique de la Matière Condensée, CNRS UMR 7600
Université Pierre et Marie Curie - Sorbonne Universités
4 Place Jussieu
75252 Paris Cedex 05 - France

Tour 13/23 - 5ème étage, bureau 527

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Key Words: Statistical Physics, Spin Systems, Physics of Liquids, Collective Motion


I am interested in systems that exhibit collective motion without being active, as suggested by Bore et al. , which means that I'm at the meeting point of active matter phenomenology, spin magnetism and physics of liquids. My advisors on this topic are Marco Tarzia, Leticia Cugliandolo and Olivier Dauchot. I previously worked (shortly) on an on-chip cold-atom gravimetry experiment at Thales TRT, and on the interplay between scattering and absorption in disordered media at Institut Langevin.


I am a teaching assistant at Sorbonne Université in Statistical Mechanics and Thermodynamics (Du Microscopique au Macroscopique, 3P014) , and a co-organizer of an introductory course to physics at ENS Paris, aimed at humanities students (Physique pour Tous, website (in French)).

I taught exercise and lab classes in Newtonian mechanics 101 (Physique du Mouvement, 1P004)  at Sorbonne Université from 2017 to 2019.


I am also a co-founder and the vice-president of The Lutetium Project, an outreach YouTube channel focussed on visually striking experimental research. The Lutetium Project is also on Twitter. French versions: YouTube channel and Twitter. A video by the project has been awarded the Milton Van Dyke award of the Gallery of Fluid Motion by the APS during the 70th annual meeting of the APSDFD in Denver, CO in 2017.

Key information: ESPCI Physics class Valedictorian, Graduated from ICFP-ENS Masters program in Quantum Physics magna cum laude.

My full resume is here.

My Google Scholar profile is there.

M. Casiulis, M. Tarzia, L. F. Cugliandolo, and O. Dauchot, Velocity and Speed Correlations in Hamiltonian Flocks, ArXiv Preprint

M. Casiulis, M. Tarzia, L. F. Cugliandolo, and O. Dauchot, Order by disorder: saving collective motion from topological defects in a conservative model, ArXiv Preprint

M. Casiulis, M. Tarzia, L. F. Cugliandolo, and O. Dauchot, Ferromagnetism-induced Phase Separation in a Two-dimensional Spin Fluid, J. Chem. Phys. 150, 154501 (2019)

G. Durey, H. Kwon, Q. Magdelaine, M. Casiulis, J. Mazet, L. Keiser, H. Bense, P. Colinet, J. Bico, and E. Reyssat, Marangoni bursting: Evaporation-induced emulsification of a two-component droplet, Phys. Rev. Fluids 3, 100501 (2018)

M. Dupont-Nivet, M. Casiulis, T. Laudat, C. I. Westbrook, and S. Schwartz, Microwave-stimulated Raman adiabatic passage in a Bose-Einstein condensate on an atom chip, Phys. Rev. A 91, 053420 (2015)

  • "Different Minds Make Better Outreach" - TEDx Talk at the TEDxSorbonneU "Synergies of the Mind", Paris, October 18th 2019
  • "Collective Motion Without Activity" - Gulliver lab Active Matter Meeting, Paris, 28 mai 2019
  • "Collective Motion Without Activity" - Gov lab group seminar at the Weizmann Institute of Science, Rehovot, 29 janvier 2019
  • Presentation of the Lutetium Project, IPGG Microscale Affairs Seminar, Paris, 9 janvier 2019
  • "Collective Motion without Activity" - Hayakawa group seminar at the Yukawa Institute for Theoretical Physics, Kyoto, 21 décembre 2018
  • "Collective Motion without Activity" - Osaka Cybermedia Center Seminar, Osaka, 21 décembre 2018
  • "La Méthode Scientifique - La 500ème" - La Méthode Scientifique, sur France Culture, 16 novembre 2018
  • "Collective Motion without Activity" - Simons Collaboration "Cracking the Glass Problem"'s Paris antenna seminar, 15 novembre 2018
  • "Table ronde des actualités des sciences et de la recherche" - La Méthode Scientifique, sur France Culture, 25 mai 2018
  • Présentation du Projet Lutétium pour la soirée grand public des Troisièmes Rencontres Scientifiques des Grands Causses  dans le cadre du rassemblement annuel du GDR ADN, 10 avril 2018
  • "Le Projet Lutétium : Recherche expérimentale, Création scientifique et Vulgarisation scientifique sur YouTube" - Conférence grand public du Réseau de Jeunes de la Société Chimique de France section Bourgogne Franche-Comté, Université de Bourgogne, Dijon, 30 mars 2018
  • "How to popularize science?" - Round table for the Open Days in Biology, Computer Science and Mathematics (JOBIM2017), Lille, July 7th 2017
  • "La notion de collectif en art-science" - Table ronde pour l'antenne parisienne du Festival Imagine Science (Détails), Paris, 3 Juin 2017
  • "Peut-on apprendre sur Internet en France ?" - La Méthode Scientifique, sur France Culture, 9 décembre 2016
  • "Table ronde des actualités des sciences et de la recherche" - La Méthode Scientifique, sur France Culture, 28 octobre 2016
  • Participation à l'émission "La Tête au Carré", sur France Inter, 7 octobre 2016


Note for non-francophones: 

La Méthode Scientifique is a daily broadcast on the national French radio "France Culture." It is an outreach broadcast that focuses on recent advances in scientific research. La Tête au Carré is its counterpart on the more general national French radio "France Inter." Both are listened to by several tens of thousands of French speakers live, and podcasts have an audience an order of magnitude larger.