# The 34th International Symposium on Lattice Field Theory (Lattice 2016)

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

## $\theta$-dependence of the massive Schwinger model

27 Jul 2016, 11:50
20m
Building 67 Room 1003 (Highfield Campus, University of Southampton)

### Building 67 Room 1003

#### Highfield Campus, University of Southampton

Talk Chiral Symmetry

### Description

Understanding the role of the $\theta$ parameter in QCD and its connection with the strong CP problem and axion physics is one of the major challenges for high energy theorists. Due to the sign problem, at present only the QCD topological susceptibility is well known. Using an algorithmic approach that could potentially be extended to QCD, we study as a first step the $\theta$-dependence in the massive Schwinger model, and try to verify a conjecture of Coleman.

### Primary authors

Dr Alejandro Vaquero Aviles-Casco (INFN, Milano Bicocca) Dr Eduardo Follana (Universidad de Zaragoza) Eduardo Royo (Universidad de Zaragoza) Dr Giuseppe Di Carlo (LNGS - INFN) Dr Vicente Azcoiti (Universidad de Zaragoza)

### Presentation Materials

 Slides
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