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Mardi 14 octobre 2014-14:00

How to compute topological invariants ?

Alexey A. Soluyanov (Institute for Theoretical Physics, ETH Zurich)

par Gabriel LeMarié - 14 octobre 2014

In this talk I will present methods to compute topological invariants of band structures. I will discuss Z and Z2 invariants of topological insulators, including some of the crystalline ones, using a unified framework of hybrid Wannier functions. I will also show how the same methods can be used to identify topological semimetals.

Post-scriptum :

contact : R. Ramazashvili