2 papers
astro-ph2003
Clues on galaxy and cluster formation from their scaling relations
B. Lanzoni, L. Ciotti, A. Cappi +2
By means of high-resolution N-body simulations in a LambdaCDM cosmology, we verify that scaling relations similar to those observed for nearby galaxy clusters are also defined by t…
astro-ph2001
Testing Cosmological Models with Negative Pressure
Alberto Cappi
There is now strong evidence that the main contribution to the cosmic energy density is not due to matter, but to another component with negative pressure. Its nature is still unkn…