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

Landau gauge gluon vertices from Lattice QCD

29 Jul 2016, 18:10
20m
Building 67 Room 1007 (Highfield Campus, University of Southampton)

Building 67 Room 1007

Highfield Campus, University of Southampton

Talk Vacuum Structure and Confinement Vacuum Structure and Confinement

Speaker

Dr Paulo Silva (Center for Physics, University of Coimbra)

Description

In lattice QCD the computation of one-particle irreducible (1PI) Green's functions with a large number (> 2) of legs is a challenging task. Besides tuning the lattice spacing and volume to reduce finite size effects, the problems associated with the estimation of higher order moments via Monte Carlo methods and the extraction of 1PI from complete Green's functions are limitations of the method. Herein, we address these problems revisiting the calculation of the three gluon 1PI Green's function, with emphasis in the infrared region and providing a first look at the four gluon vertex.

Primary authors

Mr Anthony Duarte (Center for Physics, University of Coimbra) Dr Orlando Oliveira (Center for Physics, University of Coimbra) Dr Paulo Silva (Center for Physics, University of Coimbra)

Presentation Materials

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