Clover improvement for stout-smeared 2+1 flavour SLiNC fermions: perturbative results

R. Horsley; P. E. L. Rakow; H. Perlt; G. Schierholz; A. Schiller

Clover improvement for stout-smeared 2+1 flavour SLiNC fermions: perturbative results

High Energy Physics - Lattice 2010-01-21 v1

Authors: R. Horsley , P. E. L. Rakow , H. Perlt , G. Schierholz , A. Schiller

Abstract

For the Stout Link Non-perturbative Clover (SLiNC) action we determine in one-loop lattice perturbation theory the critical hopping parameter $\kappa_c$ and the clover parameter $c_{SW}$ which is needed for $\mathcal{O}(a)$ improvement. Performing this calculation off-shell we are also able to compute the non gauge invariant quark field improvement coefficient $c_{NGI}$ . Additionally, we present first results for the renormalization factors of the scalar, pseudoscalar, vector and axial vector currents. We discuss mean field improvement for the SLiNC action.

Keywords

lattice perturbation theory clover improvement SLiNC action critical hopping parameter renormalization factors mean field improvement

Cite

@article{arxiv.0809.4769,
  title  = {Clover improvement for stout-smeared 2+1 flavour SLiNC fermions: perturbative results},
  author = {R. Horsley and P. E. L. Rakow and H. Perlt and G. Schierholz and A. Schiller},
  journal= {arXiv preprint arXiv:0809.4769},
  year   = {2010}
}

Comments

7 pages, talk presented at The XXVI International Symposium on Lattice Field Theory, July 14 - 19, 2008, Williamsburg, Virginia, USA

Clover improvement for stout-smeared 2+1 flavour SLiNC fermions: perturbative results

Abstract

Keywords

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