Universality in quantum many-body systems

Series: 
Math Physics Seminar
Tuesday, November 28, 2017 - 11:00
1 hour (actually 50 minutes)
Location: 
Skiles 006
,  
Universita' di Milano, Italy
,  
Organizer: 
Abstract: A number of quantities in quantum many-body systems show remarkable universality properties, in the sense of exact independence from microscopic details. I will present some rigorous result establishing universality in presence of many body interaction in Graphene and in Topological Insulators, both for the bulk and edge transport. The proof uses Renormalization Group methods and a combination of lattice and emerging Ward Identities.