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hep-lat2008
O(a^2) corrections to the propagator and bilinears of Wilson / clover fermions
Martha Constantinou, Haralambos Panagopoulos, Fotos Stylianou
We present the corrections to the fermion propagator, to second order in the lattice spacing, O(a^2), in 1-loop perturbation theory. The fermions are described by the clover action…
hep-lat2008★ 60 cited
Two-loop renormalization of vector, axial-vector and tensor fermion bilinears on the lattice
A. Skouroupathis, H. Panagopoulos
We compute the two-loop renormalization functions, in the RI' scheme, of local bilinear quark operators , where corresponds to the Vector, Axial-Vector and Tensor Dira…
hep-lat2005
Topological charge renormalization: A test case for 3-loop vacuum calculations using overlap fermions and Symanzik improved gluons
A. Skouroupathis, H. Panagopoulos
We calculate perturbative renormalization properties of the topological charge, using the standard lattice discretization given by a product of twisted plaquettes. We use the overl…