A local view on topology
Seminar
QUEST Center event
No
Speaker
Raquel Queiroz
Date
26/11/2020 - 15:30 - 14:30Add to Calendar
2020-11-26 14:30:00
2020-11-26 15:30:00
A local view on topology
In this talk, I revisit topology in solid-state systems from a local perspective. This view highlights qualitative differences in the physical response to local perturbations between topological and trivial systems, from topological semimetals to insulators. We will discuss the role of crystalline symmetry and concretize it by analyzing the effect of local impurities in these different systems. I will show numerical results for electron localization in the presence of chemical potential disorder, where we find rich and unexpected behavior beyond the conventional theory of electron localization.
zoom - https://zoom.us/j/99663263719
Department of Physics
physics.dept@mail.biu.ac.il
Asia/Jerusalem
public
Place
zoom - https://zoom.us/j/99663263719
Abstract
In this talk, I revisit topology in solid-state systems from a local perspective. This view highlights qualitative differences in the physical response to local perturbations between topological and trivial systems, from topological semimetals to insulators. We will discuss the role of crystalline symmetry and concretize it by analyzing the effect of local impurities in these different systems. I will show numerical results for electron localization in the presence of chemical potential disorder, where we find rich and unexpected behavior beyond the conventional theory of electron localization.
Last Updated Date : 19/11/2020
