A simplified test of universality in Lattice QCD

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  • 16 December 2003
Abstract
A simplified test of universality in Lattice QCD is performed by analytically evaluating the continuous Euclidean time limits of various lattice fermion determinants, both with and without a Wilson term to lift the fermion doubling on the Euclidean time axis, and comparing them with each other and with the zeta-regularised fermion determinant in the continuous time--lattice space setting. The results agree with universality expectations, except for one minor discrepancy which may be a cause for concern for the use of staggered fermions.

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