Appelquist, T, Brower, RC, Cushman, KK, Fleming, GT, Gasbarro, A, Hasenfratz, A, Ingoldby, J, Jin, XY, Neil, ET, Osborn, JC et al (show 6 more authors)
(2023)
Hidden conformal symmetry from the lattice
Physical Review D, 108 (9).
l091505-.
ISSN 2470-0010, 2470-0029
Abstract
We analyze newly expanded and refined data from lattice studies of an SU(3) gauge theory with eight Dirac fermions in the fundamental representation. We focus on the light composite states emerging from these studies, consisting of a set of pseudoscalars and a single light scalar. We first consider the view that this theory is just outside the conformal window. In this case, the pseudoscalars arise from spontaneous breaking of chiral symmetry. Identifying the scalar in this case as an approximate dilaton, we fit the lattice data to a dilaton effective field theory, finding that it yields a good fit even at lowest order. For comparison, we then consider the possibility that the theory is inside the conformal window. The fermion mass provides a deformation, triggering confinement. We employ simple scaling laws to fit the lattice data and find that it is of lesser quality.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 5106 Nuclear and Plasma Physics, 5107 Particle and High Energy Physics, 4902 Mathematical Physics, 49 Mathematical Sciences, 51 Physical Sciences |
| Divisions: | Faculty of Science & Engineering > School of Physical Sciences |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 10 Jan 2024 09:29 |
| Last Modified: | 16 Jun 2026 17:10 |
| DOI: | 10.1103/physrevd.108.l091505 |
| Open Access URL: | https://doi.org/10.1103/PhysRevD.108.L091505 |
| Related Websites: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3177790 |
| Disclaimer: | The University of Liverpool is not responsible for content contained on other websites from links within repository metadata. Please contact us if you notice anything that appears incorrect or inappropriate. |
Altmetric
Altmetric