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astro-ph1998
A Physical Model for Baryons in Clusters of Galaxies
P. Tozzi, A. Cavaliere, N. Menci
The X-ray emission from clusters of galaxies is one of the best observational probe to investigate the distribution of dark matter at intermediate and high redshifts. Since the dis…
astro-ph1998
The Rise and Fall of the Quasars
A. Cavaliere, V. Vittorini
The coherent rise and fall of the quasar population is discussed in terms of gas accretion onto massive black holes, governed by the hierarchically growing environment. The rise is…