Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1999-10-13
Phys.Rev.D63:034501,2001
Physics
High Energy Physics
High Energy Physics - Lattice
15 pp RevTeX, 5 Postscript figures, submitted to Phys. Rev. Rearranged section order and added an analysis of fluctuations of
Scientific paper
10.1103/PhysRevD.63.034501
We test a recently proposed improved lattice-fermion action, the fat link clover action, examining indicators of pathological small-quark-mass lattice artifacts ("exceptional configurations") on quenched lattices of spacing 0.12 fm and studying scaling properties of the light hadron spectrum for lattice spacing a=0.09 and 0.16 fm. We show that the action apparently has fewer problems with pathological lattice artifacts than the conventional nonperturbatively improved clover action and its spectrum scales just as well.
DeGrand Thomas
DeTar Carleton
Hasenfratz Anna
Stephenson Mark
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