Abstract
Massless QED is regularized using random-block lattice (RBL). Using naive fermion without explicitly breaking chiral symmetry or gauge symmetry in the action, it is shown that physical observables can avoid the effects of species doubling after averaging over an ensemble of RBL. For 2D QED, numerical results of dynamical fermion simulations using Hybrid Monte Carlo are in good agreement with the exact solutions of the Schwinger model in continuum.
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