Testing universality and the fractional power prescription for the staggered fermion determinant

Details Testing universality and the fractional power prescription for the staggered fermion determinant Testing universality and the fractional power prescription for the staggered fermion determinant

2004-09-02

arxiv.org/abs/hep-lat/0409013v1

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, contributed to Lattice2004(plenary)

Scientific paper

10.1016/j.nuclphysbps.2004.11.37

In [Phys.Rev.Lett.92:162002 (2004), hep-lat/0312025] expressions for the continuous Euclidean time limits of various lattice fermion determinants were derived and compared in order to test universality expectations in Lattice QCD. Here we review that work with emphasis on its relevance for assessing the fractional power prescription for the determinant in dynamical staggered fermion simulations. Some new supplementary material is presented; in particular the status of the "universality anomaly" is clarified: it is shown to be gauge field-independent and therefore physically inconsequential.

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