Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/76500
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Type: Journal article
Title: Nonperturbative improvement of stout-smeared three-flavor clover fermions
Author: Cundy, N.
Gockeler, M.
Horsley, R.
Kaltenbrunner, T.
Kennedy, A.
Nakamura, Y.
Perlt, H.
Pleiter, D.
Rakow, P.
Schafer, A.
Schierholz, G.
Schiller, A.
Stüben, H.
Zanotti, J.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2009; 79(9):094507:1-094507:16
Publisher: American Physical Soc
Issue Date: 2009
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
N. 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)
Abstract: We 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.
Rights: © 2009 The American Physical Society
RMID: 0020120140
DOI: 10.1103/PhysRevD.79.094507
Appears in Collections:Chemistry and Physics publications

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