Renormalization of Bilinear Quark Operators for Overlap Fermions

Details Renormalization of Bilinear Quark Operators for Overlap Fermions Renormalization of Bilinear Quark Operators for Overlap Fermions

2005-07-14

arxiv.org/abs/hep-lat/0507017v1

Phys.Rev. D72 (2005) 054508

Physics

High Energy Physics

High Energy Physics - Lattice

14 pages, 13 figures

Scientific paper

10.1103/PhysRevD.72.054508

We present non-perturbative renormalization constants of fermionic bilinears on the lattice in the quenched approximation at beta=6.1 using an overlap fermion action with hypercubic(HYP)-blocked links. We consider the effects of the exact zero modes of the Dirac operator and find they are important in calculating the renormalization constants of the scalar and pseudoscalar density. The results are given in the RI' and MS bar schemes and compared to the perturbative calculations.

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