Recent advances in topological material characterisations, 2

Add to your list(s) Download to your calendar using vCal

• Robert-Jan Slager
• Wednesday 02 June 2021, 10:00-11:00
• TCM Virtual Seminar Room.

If you have a question about this talk, please contact nrc25.

We will consider recent developments in topological characterisations of free fermion systems. Starting from some simple models to recapitulate some of the basics concepts we will then move on to recently developed classification schemes. This will involve an analysis that profits from an interplay of symmetry and topology, taking into account the role of crystalline symmetries. In particular, we will outline on a qualitative level how this connects to a deeper framework known as equivariant K-theory. Using these concepts we will address recent developments known as topological quantum chemistry and symmetry indicators. Finally, we will turn our attention to new kinds of fragile topologies and multi-gap phases that are emerging at the moment. The overarching idea is to give an intuitive understanding of these new concepts, using explicit examples, that will make it easier to read this rapidly evolving branch of literature.

See the TCM graduate teaching page for further information.

This talk is part of the TCM Graduate Lectures series.

This talk is included in these lists:

• TCM Graduate Lectures
• TCM Virtual Seminar Room
• few29

Note that ex-directory lists are not shown.