Scaling and eigenmode tests of the improved fat clover action | Zendy

Mark Stephenson | Zendy; Carleton DeTar | Zendy; Thomas DeGrand | Zendy; Anna Hasenfratz | Zendy

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Scaling and eigenmode tests of the improved fat clover action

Author(s) -

Mark Stephenson,

Carleton DeTar,

Thomas DeGrand,

Anna Hasenfratz

Publication year - 2000

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.63.034501

Subject(s) - lattice (music) , scaling , physics , hadron , mathematics , particle physics , acoustics , geometry

We test a recently proposed improved lattice-fermion action, the fat linkclover action, examining indicators of pathological small-quark-mass latticeartifacts ("exceptional configurations") on quenched lattices of spacing 0.12fm and studying scaling properties of the light hadron spectrum for latticespacing a=0.09 and 0.16 fm. We show that the action apparently has fewerproblems with pathological lattice artifacts than the conventionalnonperturbatively improved clover action and its spectrum scales just as well.Comment: 15 pp RevTeX, 5 Postscript figures, submitted to Phys. Rev. Rearranged section order and added an analysis of fluctuations of the pion correlato

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