Strong coupling from non-equilibrium Monte Carlo simulations

Abstract

We compute the running coupling of non-Abelian gauge theories in the Schrödinger-functional scheme, by means of non-equilibrium Monte Carlo simulations on the lattice.

Comments: v1: 29 pages, 7 figures; v2: 1+46 pages, 9 figures: added a detailed discussion of the algorithm, computational efficiency analysis, comparison with perturbation theory at loops, new references, corrected typos (version published in the journal)