Jul 26 – 30, 2021
US/Eastern timezone

The non-perturbative RG $\beta$ function at the sill of the conformal window

Jul 29, 2021, 9:15 PM
15m
Oral presentation Particle physics beyond the Standard Model Particle physics beyond the Standard Model

Speaker

Anna Hasenfratz (university of colorado boulder)

Description

The RG beta function describes the running of the renormalized coupling and connects the ultraviolet and infrared regimes of quantum field theories. We consider both the finite volume step scaling and the continuous beta function of the gradient flow coupling in SU(3) systems with fundamental fermions. Investigating theories with $N_f=6$, 8, 10 and 12 flavors allows us to study the onset of the conformal phase. Our simulations are based on Moebious domain wall fermions, but we also consider alternate actions in our quest to reveal the universal phase structure of near-conformal systems.

Primary authors

Anna Hasenfratz (university of colorado boulder) Oliver Witzel (Universität Siegen)

Presentation materials