Group Members

Guido Pupillo

Director - Distinguished Full Professor

Guido Pupillo is Distinguished Full Professor (PRCE) at the University of Strasbourg (UNISTRA), Director of the “Laboratory of Quantum Physics” at the Institut de Science et d'Ingénierie Supramoléculaires (ISIS) and of the group "Gaz Quantiques et Optique Quantique" at the Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), where he is involved in the development of teaching and research programs in quantum science and technology. He is fellow of the Global Young Academy and of the Young Academia Europaea. He obtained his Master in Physics at the University of Bologna in 2001 and a PhD in Physics in 2005 at the University of Maryland for research conducted at the National Institute of Standards and Technology (with Dr. Carl J. Williams). Until 2011 he was scientist and then senior scientist at the University of Innsbruck and the Austrian Academy of Sciences, where he obtained his Habilitiation in Theoretical Physics (with Prof. P. Zoller). In 2012 he became full professor at the University of Strasbourg (FR). He is recipient of several awards, including the 2012 ERC Starting Grant and the 2013 Guy Ourisson Prize. His research interests are in atomic, molecular, and optical physics, many-body physics and non-equilibrium dynamics of open quantum systems.

Keywords: Cold gases, many-body physics, quantum optics

Johannes Schachenmayer

CNRS Researcher

During my physics studies at the Technical University in Munich (TUM) I developed a strong interest in the theory of quantum many-body dynamics. Driven by this interest, already for my diploma work I moved to Innsbruck (Austria) where I continued with a PhD program in the group of P. Zoller, supervised by A. J. Daley. During my PhD years I moved to the University of Pittsburgh (USA) as a visiting research scholar until graduation in 2012. I stayed in the US, working as a post-doc at JILA (Boulder, USA) in the group of A. M. Rey. In 2016 I joined the quantum matter theory group as permanent CNRS researcher (chargé de recherche) at the IPCMS. My research interest is centered around numerical approaches to non-equilibrium dynamics of quantum many-body models (utilizing e.g. time-dependent DMRG/matrix product states, or semi-classical phase-space methods). In particular, I'm interested in the dynamics of setups with (ultra-)cold atoms and associated quantum effects such as entanglement build-up. Furthermore, my recent research is focused on open system/quantum optics approaches (involving e.g. cavity couplings) to molecular arrangements and condensed matter systems.

Keywords: Numerical methods (t-DMRG/DTWA), Many-body quantum dynamics, Ultracold quantum gases, Optical lattices, Strong cavity-coupling

David Hagenmuller

Postdoc

After a master degree in Orsay (France) in condensed-matter physics, I did a PhD in theoretical physics at Université Paris-Diderot (thesis advisor Cristiano Ciuti) on quantum Hall systems in the ultrastrong light-matter coupling regime. I then moved to Canada in the group of Sajeev John (UofT) where I have worked on the possibility to achieve a new ultrastrong coupling regime with large cooperativities using photonic band gap materials. Since 2015, I am working in the group of Guido Pupillo at the University of Strasbourg. I am particularly interested in studying how one can modify the properties of condensed-matter systems by coupling them to a cavity-type structure in its vacuum state. These include for instance charge/exciton transport in molecular ensembles and electron-phonon coupling/superconductivity.
Keywords: Cavity-QED, Strong light-matter interactions, Electron-phonon coupling, Superconductivity.

Guido Masella

Postdoc

I graduated from the University of Pisa in 2015 focusing my studies on simulations of non-equilibrium dynamics of cold atomic gases. After a short post graduate training at CNR-INO (Italy) working on an experiment involving dipolar quantum Gases of Dysprosium atoms, in February 2017 I started my Ph. D. at University of Strasbourg on the study of "Exotic Phsenomena in Cold Atomic Gases"". My research interests include the study of equilibrium and non-equilibrium phenomena in ultracold atomic gases and in general in systems of interest for condensed matter and atomic physics. I am deeply interested in the computational challenges related to these problems, in the study and in the development of numerical tools and methods capable of tackling efficiently these problems.
Keywords: Computational Physics, Many-body Physics, Cold Gases
Curriculum Vitae

David Wellnitz

Ph. D. Student

From 2013 to 2018, I studied physics in Heidelberg. In 2018, I wrote my Master thesis in the group of Professor Weidemüller on the application of network theory to atomic spectra. In November 2018, I have started my PhD in physics in the group of Professor Pupillo in Strasbourg. Here, I am analyzing how methods of quantum optics can influence chemistry. I am particularly interested in the collective dynamics arising due to collective light matter coupling.
Keywords: Quantum Optics, Cavity QED, Many-body Physics.
Curriculum Vitae

Andrea Maroncelli

Ph. D. Student

After graduating from University of Bologna in Physics on 23/03/2019, Andrea joined the Quantum Matter Theory group on January 2020, as a PhD student, working on disordered models and Anderson localization in long range models.

Guillermo Javier Preisser Beltran

Ph. D. Student

Guillermo joined the Quantum Matter Theory group in Strasbourg on February 2020 after graduating from the National Autonomous University of Mexico in 2019. He will work on semi-classical modeling of open quantum technology platforms.

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