The 33rd International Symposium on Lattice Field Theory (Lattice 2015)

Non-Gaussianity of the topological charge distribution in SU(3) Yang–Mills theory

17 Jul 2015, 15:40

20m

404 (Kobe International Conference Center)

Talk Vacuum Structure and Confinement Vacuum Structure and Confinement

Speaker

Marco Cè (Scuola Normale Superiore, Pisa & INFN, Sezione di Pisa)

Description

We report the results of a study of the distribution of the topological charge of the SU(3) Yang–Mills theory: we estimate the second and fourth cumulant with high precision in order to measure the deviation from the normal distribution. The computation is done on the lattice implementing a naïve discretization of the topological charge evolved with the Yang–Mills gradient flow. A range of high statistics Monte Carlo simulations with different lattice volumes and spacings is used to extrapolate the results to the continuum limit with confidence by keeping finite volume effects negligible with respect to the statistical errors.

Presentation materials

Slides

Lattice2015_Cè.pdf