Progress using generalized lattice Dirac operators to parametrize the Fixed-Point QCD action
P. Hasenfratz, S. Hauswirth, K. Holland, T. Jorg, F. Niedermayer, U. Wenger
Abstract
We report on an ongoing project to parametrize the Fixed-Point Dirac operator for massless quarks, using a very general construction which has arbitrarily many fermion offsets and gauge paths, the complete Clifford algebra and satisfies all required symmetries. Optimizing a specific construction with hypercubic fermion offsets, we present some preliminary results.
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