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@ARTICLE{Bonati:861287,
      author       = {Bonati, Claudio and Calore, Enrico and D’Elia, Massimo
                      and Mesiti, Michele and Negro, Francesco and Sanfilippo,
                      Francesco and Schifano, Sebastiano Fabio and Silvi, Giorgio
                      and Tripiccione, Raffaele},
      title        = {{R}oberge-{W}eiss endpoint and chiral symmetry restoration
                      in {N} f = 2 + 1 {QCD}},
      journal      = {Physical review / D},
      volume       = {99},
      number       = {1},
      issn         = {2470-0010},
      address      = {Melville, NY},
      publisher    = {Inst.812068},
      reportid     = {FZJ-2019-01784},
      pages        = {014502},
      year         = {2019},
      abstract     = {We investigate the fate of the Roberge-Weiss endpoint
                      transition and its connection with the restoration of chiral
                      symmetry as the chiral limit of Nf=2+1 QCD is approached. We
                      adopt a stout staggered discretization on lattices with Nt=4
                      sites in the temporal direction; the chiral limit is
                      approached maintaining a constant physical value of the
                      strange-to-light mass ratio and exploring three different
                      light quark masses, corresponding to pseudo-Goldstone pion
                      masses mπ≃100, 70 and 50 MeV around the transition. A
                      finite size scaling analysis provides evidence that the
                      transition remains second order, in the 3D Ising
                      universality class, in all the explored mass range. The
                      residual chiral symmetry of the staggered action also allows
                      us to investigate the relation between the Roberge-Weiss
                      endpoint transition and the chiral restoration transition as
                      the chiral limit is approached: our results, including the
                      critical scaling of the chiral condensate, are consistent
                      with a coincidence of the two transitions in the chiral
                      limit; however we are not able to discern the symmetry
                      controlling the critical behavior, because the critical
                      indices relevant to the scaling of the chiral condensate are
                      very close to each other for the two possible universality
                      classes [3D Ising or O(2)].},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / PhD no Grant - Doktorand ohne besondere
                      Förderung (PHD-NO-GRANT-20170405)},
      pid          = {G:(DE-HGF)POF3-511 / G:(DE-Juel1)PHD-NO-GRANT-20170405},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000454769000004},
      doi          = {10.1103/PhysRevD.99.014502},
      url          = {https://juser.fz-juelich.de/record/861287},
}