Topological susceptibility with the improved Asqtad action

Details Topological susceptibility with the improved Asqtad action Topological susceptibility with the improved Asqtad action

2002-09-03

arxiv.org/abs/hep-lat/0209050v1

Nucl.Phys.Proc.Suppl.119:991-993,2003

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(algor)

Scientific paper

10.1016/S0920-5632(03)01740-7

As a test of the chiral properties of the improved Asqtad (staggered fermion) action, we have been measuring the topological susceptibility as a function of quark masses for 2 + 1 dynamical flavors. We report preliminary results, which show reasonable agreement with leading order chiral perturbation theory for lattice spacing less than 0.1 fm. The total topological charge, however, shows strong persistence over Monte Carlo time.

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