Quenched QCD with domain-wall fermions on coarse lattices
Abstract
We investigate the existence of chiral zero modes at a-1 1 GeV in quenched domain-wall QCD. Simulations are carried out for the plaquette and an RG-improved gauge actions on a 123x24xNs lattice with Ns=10-50. We find that the pion mass in the chiral limit remains non-vanishing as Ns∞ for both gauge actions. Possible origins of this non-vanishing pion mass are discussed.
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