Speaker
Gabriella Di Gennaro
(Hamburg Observatory)
Description
Mpc-scale diffuse radio emission, known as radio halos, are the best evidence of accelerated particles and magnetic fields in galaxy clusters. In the last decades, new low-frequency arrays have sensibly increased the number of clusters hosting diffuse radio emission, reaching also the poorly explored high-redshift regime. In this talk, I will present the results on LOFAR observations of distant clusters (z>0.6), and I will discuss the implication on the evolution of large-scale magnetic fields, and on particle acceleration.
