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@ARTICLE{Alls:860313,
      author       = {Allés, B. and Bali, G. and D’Elia, M. and Di Giacomo, A.
                      and Eicker, N. and Schilling, K. and Spitz, A. and Güsken,
                      S. and Hoeber, H. and Lippert, Th. and Struckmann, T. and
                      Ueberholz, P. and Viehoff, J.},
      title        = {{S}canning the topological sectors of the {QCD} vacuum with
                      the hybrid {M}onte {C}arlo algorithm},
      journal      = {Physical review / D},
      volume       = {58},
      number       = {7},
      issn         = {0556-2821},
      address      = {Melville, NY},
      publisher    = {Inst.812068},
      reportid     = {FZJ-2019-01088},
      pages        = {071503},
      year         = {1998},
      abstract     = {We address a long standing issue and determine the
                      decorrelation efficiency of the hybrid Monte Carlo algorithm
                      (HMC), for full QCD with Wilson fermions, with respect to
                      vacuum topology. On the basis of five large QCD vacuum field
                      ensembles (with 3000 to 5000 trajectories each and mπ/mρ-
                      ratios in the range ⩾0.69, for two sea quark flavors), we
                      are able to establish that HMC provides sufficient tunneling
                      between the different topological sectors of QCD. This will
                      have an important bearing on the prospect to determine, by
                      lattice techniques, the topological susceptibility of the
                      vacuum, and topology sensitive quantities such as the spin
                      content of the proton, or the η′ mass.},
      ddc          = {530},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1103/PhysRevD.58.071503},
      url          = {https://juser.fz-juelich.de/record/860313},
}