Improved actions of the staggered fermion
arXiv:hep-lat/9709122 · doi:10.1016/S0920-5632(97)00931-6
Abstract
We have studied improved lattice QCD with the staggered fermion by using Symanzik's program. We find that there are 5 dimension-6 fermion bilinears and gauge operators. In addition, there are 10 four-fermion operators which are absent at the tree-level and tadpole-improved tree-level.
3 pages, Latex, talk presented at LATTICE''97(Improvement)