Lattice perturbation theory in the overlap formulation for Yukawa and gauge interactions Original Research Article

Lattice perturbation theory is discussed in the overlap formulation for Yukawa and gauge interactions. One- and two-point functions are studied for fermion, scalar and gauge fields, taking the Standard Model as an example. The formulae for the self-energies are given from which their divergent and finite parts can be computed at the one-loop level.