24-30 July 2016
Highfield Campus, University of Southampton
Europe/London timezone

Fermion bags, topology and index theorems

25 Jul 2016, 14:55
20m
Building 67 Room 1003 (Highfield Campus, University of Southampton)

Building 67 Room 1003

Highfield Campus, University of Southampton

Highfield Campus, Southampton SO17 1BJ, UK
Talk Theoretical Developments Theoretical Developments

Speaker

Prof. Shailesh Chandrasekharan (Duke University)

Description

In this talk we argue that the fermion bag formulation extends the concepts of topology and index theorems associated with non-Abelian gauge theories, to simple lattice fermion field theories. Through such a connection we learn that fermion masses can arise in at least two different ways:(1) a conventional way where some lattice symmetry of the action is spontaneously, explicitly or anomalously broken and (2) an unconventional way where all lattice symmetries are preserved. We argue for these two scenarios by considering simple examples of lattice field theories formulated with staggered fermions.

Primary author

Prof. Shailesh Chandrasekharan (Duke University)

Presentation Materials