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@ARTICLE{Bruckmann:201108,
      author       = {Bruckmann, Falk and Gruber, Florian and Cundy, Nigel and
                      Schäfer, Andreas and Lippert, Thomas},
      title        = {{T}opology of dynamical lattice configurations including
                      results from dynamical overlap fermions},
      journal      = {Physics letters / B},
      volume       = {707},
      number       = {2},
      issn         = {0370-2693},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ.},
      reportid     = {FZJ-2015-03413},
      pages        = {278 - 285},
      year         = {2012},
      abstract     = {We investigate how the topological charge density in
                      lattice QCD simulations is affected by violations of chiral
                      symmetry caused by the fermion action. To this end we
                      compare lattice configurations generated with a number of
                      different actions including first configurations generated
                      with exact dynamical overlap quarks. We visualize the
                      topological profiles after mild smearing. In the topological
                      charge correlator we measure the size of the positive core,
                      which is known to shrink to zero extension in the continuum
                      limit. To leading order we find the core size to scale
                      linearly with the lattice spacing with the same coefficient
                      for all actions, even including quenched simulations. In the
                      subleading term the different actions vary over a range of
                      about $10\%.$ Our findings suggest that non-chiral lattice
                      actions at current lattice spacings do not differ much for
                      observables related to topology, both among themselves and
                      compared to overlap fermions.},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {411 - Computational Science and Mathematical Methods
                      (POF2-411)},
      pid          = {G:(DE-HGF)POF2-411},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000300134400008},
      doi          = {10.1016/j.physletb.2011.12.030},
      url          = {https://juser.fz-juelich.de/record/201108},
}