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Scaling properties of SU(2) gauge theory with mixed fundamental-adjoint action

Enrico Rinaldi, Giuseppe Lacagnina, Antonio Rago, Agostino Patella, Biagio Lucini Orcid Logo

Volume: "LATTICE2012", Start page: 252

Swansea University Author: Biagio Lucini Orcid Logo

Abstract

We study the phase diagram of the SU(2) lattice gauge theory with fundamental-adjoint Wilson plaquette action. We confirm the presence of a first order bulk phase transition and we estimate the location of its end-point in the bare parameter space. If this point is second order, the theory is one of...

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Published: 2012
Online Access: http://inspirehep.net/record/1205302
URI: https://cronfa.swan.ac.uk/Record/cronfa27916
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Abstract: We study the phase diagram of the SU(2) lattice gauge theory with fundamental-adjoint Wilson plaquette action. We confirm the presence of a first order bulk phase transition and we estimate the location of its end-point in the bare parameter space. If this point is second order, the theory is one of the simplest realizations of a lattice gauge theory admitting a continuum limit at finite bare couplings. All the relevant gauge observables are monitored in the vicinity of the fixed point with very good control over finite-size effects. The scaling properties of the low-lying glueball spectrum are studied while approaching the end-point in a controlled manner.
College: Faculty of Science and Engineering
Start Page: 252