Many-body Localization: introduction, computational challenges and open questions

Date & Time: March 17 - 19, 2023 (Friday - Sunday) | March 17 (3:30 - 5:30pm); March 18 & 19 (4:30 - 6:30pm) (HKT)

Venue: CPD - 3.29 (Central Podium Levels), Centennial Campus, HKU

Speaker: Professor Fabien Alet
Directeur de recherche in CNRS, Deputy Director in Laboratoire de Physique Théorique, France

Many-body localization (MBL) is a unique physical phenomenon driven by interactions and disorder for which a quantum system can evade thermalization.

After a general introduction to localization in physics, the first lecture will present the key features of the many-body localization phenomena, including relation to Anderson localization, experiments and numerical computations.

The second and part of the third lecture will cover the various numerical techniques for simulating MBL. Basic computer codes and tutorial notebooks will be provided.

Finally, the last part of the third lecture will provide a bird’s-eye view on open questions, future directions in the field and connect to other related phenomena.

Speaker Professor Fabien Alet

Directeur de recherche in CNRS, Deputy Director in Laboratoire de Physique Théorique, France

Fabien Alet is a CNRS researcher in the Theoretical Physics Laboratory in Toulouse, France. He is an expert in numerical simulations of strongly correlated quantum matter, with contributions covering both physical (magnetic quantum phase transitions, entanglement properties of quantum matter, many-body localization in disordered quantum systems) and numerical (innovative quantum Monte Carlo, exact diagonalization techniques, simulations of constrained systems) aspects. He received his Ph.D. degree in Theoretical Physics from Paul Sabatier University in 2002, and worked as postdoctoral fellow in institute of theoretical physics, ETH Zürich and the institute of theoretical physics (IPhT), CEA Saclay, and as a researcher in CNRS since 2005.

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