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@ARTICLE{Hip:860327,
      author       = {Hip, I. and Lippert, Th. and Neff, H. and Schilling, K. and
                      Schroers, W.},
      title        = {{I}nstanton dominance of topological charge fluctuations in
                      {QCD}?},
      journal      = {Physical review / D},
      volume       = {65},
      number       = {1},
      issn         = {0556-2821},
      address      = {Melville, NY},
      publisher    = {Inst.812068},
      reportid     = {FZJ-2019-01102},
      pages        = {014506},
      year         = {2001},
      abstract     = {We consider the local chirality of near-zero eigenvectors
                      from Wilson-Dirac and clover improved Wilson-Dirac lattice
                      operators as proposed recently by Horváth et al. We study
                      finer lattices and repair for the loss of orthogonality due
                      to the non-normality of the Wilson-Dirac matrix. As a result
                      we do see a clear double peak structure on lattices with
                      resolutions higher than 0.1 fm. We find that the lattice
                      artifacts can be considerably reduced by exploiting the
                      biorthogonal system of left and right eigenvectors. We
                      conclude that the dominance of instantons in topological
                      charge fluctuations is not ruled out by local chirality
                      measurements.},
      ddc          = {530},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1103/PhysRevD.65.014506},
      url          = {https://juser.fz-juelich.de/record/860327},
}