IQUIST Young Researchers Seminar: "Quantum Transport and Localization in a Disordered Optical Lattice,' Nathan Fredman, DeMarco Group
Apr 15, 2026 11:00 - 11:50 am
190 Engineering Sciences Building, 1101 W Springfield Ave, Urbana, IL 61801
- Sponsor
- IQUIST
- Speaker
- Nathan Fredman
- Contact
- Brian DeMarco
- bdemarco@illinois.edu
- Views
- 44
- Originating Calendar
- IQUIST Young Researchers Seminar
Quantum Transport and Localization in a Disordered Optical Lattice
Abstract: Understanding how disorder suppresses transport in interacting quantum matter is a central problem in many-body physics. Ultracold atoms in optical lattices provide a controlled platform for studying this question. I will talk about our new near-equilibrium measurement of the relaxation dynamics of a local spin perturbation in our realization of the disordered Bose-Hubbard model. By measuring this relaxation across a wide range of disorder strengths and at multiple lattice depths, we probe how transport evolves toward a disorder-induced insulating regime.
Bio: Nathan Fredman is an eighth-year graduate student in Brian DeMarco's optical lattice lab.