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4 papers · 1 filter
Cluster magnetic fields through the study of polarized radio halos in the SKA era
F. Govoni, M. Murgia, H. Xu +17
Galaxy clusters are unique laboratories to investigate turbulent fluid motions and large scale magnetic fields. Synchrotron radio halos at the center of merging galaxy clusters pro…
Magnetic field amplification by shocks in galaxy clusters: application to radio relics
Luigi Iapichino, Marcus Brüggen
Merger shocks induce turbulence in the intra-cluster medium (ICM), and, under some circumstances, accelerate electrons to relativistic velocities to form so-called radio relics. Re…
Merger and non-merger galaxy clusters in cosmological AMR simulations
Franco Vazza
Aims: We discuss the dependence of shocks, cosmic rays acceleration and turbulence on the dynamical state of the host clusters. Method: We perform cosmological simulations with the…
Particle Acceleration on Megaparsec Scales in a Merging Galaxy Cluster
R. J. van Weeren, H. J. A. Rottgering, M. Bruggen +1
Galaxy clusters form through a sequence of mergers of smaller galaxy clusters and groups. Models of diffusive shock acceleration (DSA) suggest that in shocks that occur during clus…