Flowed quark field renormalization in lattice QCD: A Ward-identity approach and its validation using quark bilinears
We present a non-perturbative Ward-identity prescription for determining the flowed quark field renormalization factor $Z_\chi$, avoiding the computational difficulties of the conventional ringed prescription. The method is based on vector-current normalization and ratios of flowed and unflowed meson two-point function...