February 22nd
when: Friday 22/2/2019, 10:15
where: KE E-541 (møterom)
speaker: Kim Splittorff (Niels Bohr Institute, University of Copenhagen)
title: Universal Broadening of Zero Modes
abstract:
In lattice approaches to QCD topological zeromodes become near zero modes.
Effective field theory shows that close to the continuum limit these near zero modes of lattice QCD have a surprising universal behaviour. Moreover the different scaling with the volume of the would be zero modes compared to the bulk modes has explained otherwise puzzling results from lattice QCD.
In the talk we summarise these results in a manner hopefully accessible also to non QCD practitioners and show that the results carry over to other quantum systems with slightly distorted zero modes.