Sp(2N) Lattice Gauge Theories and Extensions of the Standard Model of Particle Physics

E Bennett, J Holligan, DK Hong, H Hsiao, JW Lee… - Universe, 2023 - mdpi.com
We review the current status of the long-term programme of numerical investigation of S p (2
N) gauge theories with and without fermionic matter content. We start by introducing the …

Sphaleron rate from a modified Backus-Gilbert inversion method

C Bonanno, F D'Angelo, M D'Elia, L Maio, M Naviglio - Physical Review D, 2023 - APS
We compute the sphaleron rate in quenched quantum chromodynamics (QCD) for a
temperature T≃ 1.24 T c from the inversion of the Euclidean lattice time correlator of the …

The θ-dependence of the SU (N) critical temperature at large N

C Bonanno, M D'Elia, L Verzichelli - Journal of High Energy Physics, 2024 - Springer
A bstract We investigate, by means of numerical lattice simulations, the θ-dependence of the
critical deconfinement temperature of SU (N) gauge theories at large N: T c (θ)= T c (0)[1–Rθ …

Symplectic lattice gauge theories in the grid framework: Approaching the conformal window

E Bennett, PA Boyle, L Del Debbio, N Forzano… - Physical Review D, 2023 - APS
Symplectic gauge theories coupled to matter fields lead to symmetry enhancement
phenomena that have potential applications in such diverse contexts as composite Higgs …

First-order phase transitions in Yang-Mills theories and the density of state method

B Lucini, D Mason, M Piai, E Rinaldi, D Vadacchino - Physical Review D, 2023 - APS
When studied at finite temperature, Yang-Mills theories in 3+ 1 dimensions display the
presence of confinement/deconfinement phase transitions, which are known to be of first …

Fractional topological charge in gauge theories without dynamical quarks

VP Nair, RD Pisarski - Physical Review D, 2023 - APS
In SU (N) gauge theories without dynamical quarks, we discuss how configurations with
fractional ZN magnetic charge also have fractional topological charge,∼ 1/N, and dominate …

Parallel Tempered Metadynamics: Overcoming potential barriers without surfing or tunneling

T Eichhorn, G Fuwa, C Hoelbling, L Varnhorst - Physical Review D, 2024 - APS
At fine lattice spacings, Markov chain Monte Carlo simulations of QCD and other gauge
theories with or without fermions are plagued by slow modes that give rise to large …

Topological features of the deconfinement transition

S Borsanyi, R Kara, R Vig, Z Fodor, DA Godzieba… - Physical Review D, 2023 - APS
The first order transition between the confining and the center symmetry breaking phases of
the SU (3) Yang-Mills theory is marked by discontinuities in various thermodynamics …

High-precision analysis of the critical point in heavy-quark QCD at

R Ashikawa, M Kitazawa, S Ejiri, K Kanaya - Physical Review D, 2024 - APS
Binder-cumulant analysis of the critical point in the heavy-quark region of QCD is performed
by Monte-Carlo simulations with the hopping-parameter expansion at N t= 6. We extend our …

The deconfinement phase transition in gauge theories and the density of states method

D Mason, B Lucini, M Piai, E Rinaldi… - arXiv preprint arXiv …, 2023 - arxiv.org
First-order phase transitions in the early universe might produce a detectable background of
gravitational waves. As these phase transitions can be generated by new physics, it is …