Cosmic rays and diffuse non-thermal emission in galaxy clusters: an introduction
arXiv:1106.0585
Abstract
Recent multifrequency observations contribute to derive a comprehensive picture of the origin and evolution of relativistic particles in galaxy clusters. In this review I briefly discuss theoretical aspects and open problems of this picture.
Review talk at the conference "Non-thermal phenomena in colliding galaxy clusters", Nice (France), November 2010. 8 pages, 5 figures, Mem S.A.It. in press