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@INPROCEEDINGS{Wittor:874408,
      author       = {Wittor, Denis and Domínguez-Fernández, Paola and Vazza,
                      Franco and Brüggen, Marcus},
      title        = {{A} {S}ong of {S}hocks and {D}ynamo: {N}umerical {S}tudies
                      of a {G}alaxy {C}luster {M}erger in the {HIMAG} {P}roject},
      volume       = {50},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2020-01418},
      series       = {Publication Series of the John von Neumann Institute for
                      Computing (NIC) NIC Series},
      pages        = {123 - 132},
      year         = {2020},
      comment      = {NIC Symposium 2020},
      booktitle     = {NIC Symposium 2020},
      abstract     = {With ENZO simulations run on the Jülich supercomputers, we
                      have investigated the evolution of magnetic fields in the
                      largest cosmic structures (namely galaxy clusters and
                      filaments connecting them) with unprecedented dynamical
                      range. These simulations revealed the full development of
                      the small-scale dynamo in Eulerian cosmological
                      magneto-hydrodynamical simulations. The turbulent motions
                      developed during the formation of clusters are energetic
                      enough to foster the growth of magnetic fields by several
                      orders of magnitude, starting from weak magnetic fields up
                      to strengths of ~ $\mu$G as observed. Furthermore, shock
                      waves are launched during cluster formation and they are
                      able to accelerate cosmic-ray electrons, that emit in the
                      radio wavelengths. Radio observations of this emission
                      provide information on the local magnetic field strength. We
                      have incorporated, for the first time, the cooling of
                      cosmic-ray electrons when modelling this emission. In this
                      contribution, we present our advances in modelling these
                      physical processes. Here, we mostly focus on the most
                      interesting object in our sample of galaxy clusters, which
                      shows the complexity of magnetic fields and the potential of
                      existing and future multi-wavelengths observations in the
                      study of the weakly collisional plasma on ~ Megaparsecs
                      scales.},
      month         = {Feb},
      date          = {2020-02-27},
      organization  = {NIC Symposium 2020, Jülich (Germany),
                       27 Feb 2020 - 28 Feb 2020},
      cin          = {NIC},
      cid          = {I:(DE-Juel1)NIC-20090406},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      url          = {https://juser.fz-juelich.de/record/874408},
}