Infrared and ultraviolet properties of the Landau gauge quark propagator
Patrick O. Bowman, Urs M. Heller, Derek B. Leinweber, Anthony G. Williams, Jianbo Zhang
Abstract
We present a current summary of a program to study the quark propagator using lattice QCD. We use the Overlap and ``Asqtad'' quark actions on a number of lattice ensembles to assess systematic errors. We comment on the place of this work amongst studies of QCD Green's functions in other formulations. A preliminary calculation of the running quark mass is presented.
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