Nonperturbative improvement of stout-smeared three-flavor clover fermions

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dc.contributor.authorCundy, N.
dc.contributor.authorGockeler, M.
dc.contributor.authorHorsley, R.
dc.contributor.authorKaltenbrunner, T.
dc.contributor.authorKennedy, A.
dc.contributor.authorNakamura, Y.
dc.contributor.authorPerlt, H.
dc.contributor.authorPleiter, D.
dc.contributor.authorRakow, P.
dc.contributor.authorSchafer, A.
dc.contributor.authorSchierholz, G.
dc.contributor.authorSchiller, A.
dc.contributor.authorStüben, H.
dc.contributor.authorZanotti, J.
dc.date.issued2009
dc.description.abstractWe discuss a three-flavor lattice QCD action with clover improvement in which the fermion matrix has single level stout smearing for the hopping terms together with unsmeared links for the clover term. With the (tree-level) Symanzik improved gluon action this constitutes the stout link nonperturbative clover or SLiNC action. To cancel O(a) terms the clover term coefficient has to be tuned. We present here results of a nonperturbative determination of this coefficient using the Schrödinger functional and as a by-product a determination of the critical hopping parameter. Comparisons of the results are made with lowest order perturbation theory.
dc.description.statementofresponsibilityN. Cundy, M. Göckeler, R. Horsley, T. Kaltenbrunner, A. D. Kennedy, Y. Nakamura, H. Perlt, D. Pleiter, P. E. L. Rakow, A. Schäfer, G. Schierholz, A. Schiller, H. Stüben, and J. M. Zanotti (QCDSF-UKQCD Collaboration)
dc.identifier.citationPhysical Review D: Particles, Fields, Gravitation and Cosmology, 2009; 79(9):094507:1-094507:16
dc.identifier.doi10.1103/PhysRevD.79.094507
dc.identifier.issn1550-7998
dc.identifier.issn1550-2368
dc.identifier.orcidZanotti, J. [0000-0002-3936-1597]
dc.identifier.urihttp://hdl.handle.net/2440/76500
dc.language.isoen
dc.publisherAmerican Physical Soc
dc.rights© 2009 The American Physical Society
dc.source.urihttps://doi.org/10.1103/physrevd.79.094507
dc.titleNonperturbative improvement of stout-smeared three-flavor clover fermions
dc.typeJournal article
pubs.publication-statusPublished

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