Vacuum structure as seen by overlap fermions

Details Vacuum structure as seen by overlap fermions Vacuum structure as seen by overlap fermions

2006-11-03

arxiv.org/abs/hep-lat/0611007v1

AIPConf.Proc.892:187-190,2007

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 3 figures, talk given by E.-M. I. at "Quark Confinement and the Hadron Spectrum VII", Ponta Delgada, Azores, Portugal

Scientific paper

10.1063/1.2714368

Three complementary views on the QCD vacuum structure, all based on eigenmodes of the overlap operator, are reported in their interrelation: (i) spectral density, localization and chiral properties of the modes, (ii) the possibility of filtering the field strength with the aim to detect selfdual and antiselfdual domains and (iii) the various faces of the topological charge density, with and without a cutoff \lambda_{\rm cut} = O(\Lambda_{QCD}). The techniques are tested on quenched SU(3) configurations.

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