A comparative study of overlap and staggered fermions in the Schwinger model

Details A comparative study of overlap and staggered fermions in the Schwinger model A comparative study of overlap and staggered fermions in the Schwinger model

2004-08-25

arxiv.org/abs/hep-lat/0408039v1

Physics

High Energy Physics

High Energy Physics - Lattice

Contribution to LATTICE 2004 (Chiral fermions)

Scientific paper

10.1016/j.nuclphysbps.2004.11.31

We investigate the validity of the square rooting procedure of the staggered determinant in the context of the Schwinger model. We find some evidence that at fixed physical quark mass the square root of the staggered determinant becomes proportional to the overlap determinant in the continuum limit. We also find that at fixed lattice spacing moderate smearing dramatically improves the chiral behavior of staggered fermions.

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