The QCD vacuum probed by overlap fermions

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dc.creatorWeinberg, V.
dc.creatorIlgenfritz, E. -M.
dc.creatorKoller, K.
dc.creatorKoma, Y.
dc.creatorSchierholz, G.
dc.creatorStreuer, T.
dc.date2006-10-13
dc.date.accessioned2026-07-07T10:41:28Z
dc.date.available2026-07-07T10:41:28Z
dc.descriptionWe summarize different uses of the eigenmodes of the Neuberger overlap operator for the analysis of the QCD vacuum, here applied to quenched configurations simulated by means of the Luescher-Weisz action. We describe the localization and chiral properties of the lowest modes. The overlap-based topological charge density (with and without UV-filtering) is compared with the results of UV-filtering for the field strength tensor. The latter allows to identify domains of good (anti-)selfduality. All these techniques together lead to a dual picture of the vacuum, unifying the infrared instanton picture with the presence of singular defects co-existent at different scales.
dc.description7 pages, 4 figures, talk presented at the XXIVth International Symposium on Lattice Field Theory, 23-28 July 2006, Tucson, Arizona, USA
dc.identifierhttps://arxiv.org/abs/hep-lat/0610087
dc.identifierhttp://arxiv.org/abs/hep-lat/0610087
dc.identifierPoSLAT2006:078,2006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/181630
dc.subjectHigh Energy Physics - Lattice
dc.titleThe QCD vacuum probed by overlap fermions
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