Renormalization of two-loop diagrams in scalar lattice field theory
arXiv:hep-lat/0602014 · doi:10.1016/j.nuclphysb.2006.04.015
Abstract
We present a method to calculate to very high precision the coefficients of the divergences occuring in two-loop diagrams for a massive scalar field on the lattice. The approach is based on coordinate space techniques and extensive use of the precisely known Green's function.
22 pages, 2 figures, additional results included