arXiv:hep-lat/9301012·v2·High Energy Physics — Lattice
Lattice Perturbation Theory by Computer Algebra: A Three-Loop Result for the Topological Susceptibility
B. Alles🇪🇸 · M. Campostrini🇮🇹 · A. Feo🇮🇹 · H. Panagopoulos🇮🇹
Abstract
We present a scheme for the analytic computation of renormalization functions on the lattice, using a symbolic manipulation computer language. Our first nontrivial application is a new three-loop result for the topological susceptibility.
Comments: 15 pages + 2 figures (PostScript), report no. IFUP-TH 31/92