Séminaire Physique mathématique ICJ

From topological matter to K-theory

by Christopher Max (Universitaet zu Koeln)

Europe/Paris
112 (Institut Camille Jordan)

112

Institut Camille Jordan

Université Lyon 1, Bât. Braconnier, 21 av. Claude Bernard, 69100 Villeurbanne
Description

I will give an introduction to the description of gapped free-fermion ground states in the Nambu space picture. This picture allows for a systematic description of all Altland-Zirnbauer symmetry classes in terms of so-called quasi-particle vacua with pseudo-symmetries. I will also explain a topological classification approach for gapped free-fermion ground states giving rise to a K-theoretic describtion of topological phases. This talk is based on joint work with A. Alldridge and M. Zirnbauer.

Organized by

Fabien Vignes-Tourneret

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