One-loop renormalisation of quark bilinears for overlap fermions with improved gauge actions

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dc.creatorHorsley, R.
dc.creatorPerlt, H.
dc.creatorRakow, P. E. L.
dc.creatorSchierholz, G.
dc.creatorSchiller, A.
dc.date2004-04-07
dc.date2005-01-21
dc.date.accessioned2026-07-07T11:43:18Z
dc.date.available2026-07-07T11:43:18Z
dc.descriptionWe compute lattice renormalisation constants of local bilinear quark operators for overlap fermions and improved gauge actions. Among the actions we consider are the Symanzik, Lüscher-Weisz, Iwasaki and DBW2 gauge actions. The results are given for a variety of $ρ$ parameters. We show how to apply mean field (tadpole) improvement to overlap fermions. The question, what is a good gauge action, is discussed from the perturbative point of view. Finally, we show analytically that the gauge dependent part of the self-energy and the amputated Green functions are independent of the lattice fermion representation, using either Wilson or overlap fermions.
dc.description38 pages, 5 figures, v2: Numbers in Tables 1-4,7-10 corrected, Figs. 4,5 updated, 2 misprints in (A.2), (A.4) corrected
dc.identifierhttps://arxiv.org/abs/hep-lat/0404007
dc.identifierhttp://arxiv.org/abs/hep-lat/0404007
dc.identifierNucl.Phys.B693:3-35,2004; Erratum-ibid.B713:601-606,2005
dc.identifierdoi:10.1016/j.nuclphysb.2005.01.044
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201192
dc.subjectHigh Energy Physics - Lattice
dc.titleOne-loop renormalisation of quark bilinears for overlap fermions with improved gauge actions
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