Members

Johannes Schachenmayer (group leader):

  • Habilitation (2019): HDR, Université de Strasbourg.
  • CNRS (2016): Tenured position in Strasbourg.
  • Post-doc (2013-2016): JILA, Boulder, CO, US (group of A. M. Rey).
  • Visiting scholar (2011-2013): University of Pittsburgh (group of A. J. Daley).
  • Doctoral degree (2008-2012): Dr. rer. nat, Universität Innsbruck, Austria.
  • Master degree (2008): Dipl.-Phys., Technische Universität München (TUM)

Thomas Botzung (Post-doc): After obtaining his PhD degree in 2019 (University of Strasbourg and University of Bologna), from 2020 until 2022 Thomas worked as a post-doc in the theoretical quantum technology group at RWTH Aachen, Germany. He continued his research in the Laboratoire de Physique de Modélisation des Milieux Condensés in Grenoble, France, performing numerical studies in SU(N) spin lattice systems. Since May 2024, he joint us back in Strasbourg to work on the project DINPOPARC (“Disorder-Induced Non-Classical States in Polaritonic Chemistry”).


Raphaël Menu (Post-doc): Raphaël Menu (Post-doc): Following his PhD in 2020 (at the Ecole Normale Supérieure de Lyon under the supervision of T. Roscilde), Raphaël joined the team of G. Morigi at Saarland University (Saarbrücken, Germany) where he worked on topological defects in chains of trapped ions, and the influence of noise in adiabatic quantum computing. Since February 2025, he works in Strasbourg on tensor-network based methods to optimally unravel open quantum systems.


Yiwen Han (Post-doc): Yiwen is broadly interested in theoretical research on AMO physics, especially non-equilibrium physics in open quantum systems. After completing her Ph.D. in the summer of 2025 at the University of Science and Technology of China (USTC) under the supervision of Prof. Wei Yi, she came to Strasbourg to continue her research. Here, she is exploring the novel physical phenomena and dynamics within dissipative molecular systems.


Ruben Daraban (PhD student): After obtaining his Master's degree in physics at the University of Strasbourg in 2023, Ruben continued his studies with a PhD project afterwards. His research focuses on studying entanglement buildup in quantum circuits using classical simulations based on tensor network methods.


Réka Schwengelbeck (PhD student): After obtaining her master's degree in physics from Freie Universität Berlin (master thesis at chair of Prof. Schollwöck at LMU Munich), Réka continues her academic journey by pursuing a PhD at the University of Strasbourg, where she is working on molecular dynamics under collective strong coupling.


Maxence Pandini (PhD student): After obtaining his master's degree in physics at the University of Strasbourg, Maxence continues his academic journey with a PhD project. His research focuses on computational quantum many-body approaches based on discrete quantum phase spaces.


Former members

  • Pedro Pablo Rosario Vargas (visiting PhD student) Sep. 2024 – Aug. 2025.
    Student at UFSCar São Carlos (group of R. Bachelard), about to defend in 2026.
  • Luiz Otavio Ribeiro Solak (visiting PhD student) Sep. 2024 – July 2025.
    Student at UFSCar São Carlos (group of C. Jorge Villas-Bôas), about to defend in 2025.
  • Tam'Si Ley (PhD student) Computer science project (co-supervised with P. Collet). Defended in 2025.
    Thesis: "Optimizing gate pulses and circuits of Rydberg quantum computers with artificial evolution".
  • Guillermo Preisser (PhD student). Defended in 2023.
    Thesis: "Numerical Studies of Entanglement in Open Spin Systems".
    Moved on to work for Quantinuum in London.
  • David Wellnitz (PhD student). Defended in 2022 with thesis prize from the University of Strasbourg.
    Thesis: "Collective Quantum Dynamics of Molecular Ensembles coupled to a Cavity".
    Moved on to work at JILA and Harvard.
  • Stefan Schütz (Post-doc) Oct. 2017 - Dec. 2018. He was working on the IdEx Attractivité project "Simulation of transport in engineered many-body quantum systems" (STEMQuS).
    Moved on to work as software developer in Germany.
  • Tiago Santiago do Espirito Santo (visiting PhD student) Sep. 2017 – Mar. 2018.
    Defended in 2020 at UFSCar São Carlos (group of R. Bachelard).

Master student projects:

  • Maxence Pandini (2025) - Project: "Numerical analysis of dynamics in minimal models for cavity-coupled molecules".
  • Romain Astorga-Petit (2024) - Project: "Anderson localization of light in coupled dipole models".
  • Fabrizio Salas Ramírez (2023) - Project: "Entanglement Evolution in Noisy Quantum Circuits".
  • Ruben Daraban (2022) - Project: "Numerical simulations of the quantum Fourier transform".
  • Akram Kasri (2021) - Project: "Numerical simulation of hard-core bosons".
  • Gaëtan Percebois (2019) - Project: "Numerical band structure calculations in optical lattices".
  • We're always interested in hosting projects for motivated students, please contact me.

Funding

My research has been funded through the following research projects:

  • ERC Consolidator grant
    Project MATHLOCCA: "Many-body Theory of Local Chemistry in Cavities"
  • Machine Learning for Quantum - MSCA doctoral network
    PhD student project (2024-2027)
  • CNRS EMERGENCE@INC 2024: post-doc project (starting in 2024)
    Project DINOPARC: "Disorder-induced non-classical states in polaritonic chemistry".
  • ITI Qmat 2023: 3-year PhD student project
    Project CavQA: "Cavity-coupled chemistry: A Quantum many-body physics Approach".
  • Prix espoirs de l'Université de Strasbourg: Researcher Prize (2021) (link).
  • ECOS-Sud & CNRS international emerging action (2021-2023): Binational traveling grant,
    Project: "Quantum dynamics in cavity-coupled molecules"
    Student exchanges with the group of F. Herrera (Santiago de Chile, fherreralab.com).
  • QUSTEC 2019: 4-year PhD student project (2021-2024, G. Preisser),
    Project: "Semi-classical modelling of open quantum technology platforms".
  • LabEx NIE 2018: 3-year PhD student project (2021-2021, D. Wellnitz),
    Project: "Novel approaches to quantum many-body dynamics in molecular complexes".
  • IdEx Attractivité 2017: Research grant, post-doc project (S. Schütz, 2017-2018),
    Project: "Simulation of transport in engineered many-body quantum systems" (STEMQuS).
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