Optimal lattice domain-wall fermions.
I show that the conventional formulations of lattice domain-wall fermion with any finite N(s) (in the fifth dimension) do not preserve the chiral symmetry optimally and propose a new action which preserves the chiral symmetry optimally for any finite N(s).
Chiu
Ting-Wai
TW
Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA. twchiu@phys.ntu.edu.tw