The evolution of the low-density HI intergalactic medium from z=3.6 to 0: Data, transmitted flux and HI column density

no code implementations • 10 Dec 2020 • Tae-Sun Kim, Bart P. Wakker, Fahad Nasir, Robert F. Carswell, Blair D. Savage, James S. Bolton, Andrew J. Fox, Matteo Viel, Martin G. Haehnelt, Jane C. Charlton, Ben E. Rosenwasser

The individual dn/dz shows a large scatter at a given z.

Cosmology and Nongalactic Astrophysics

Massive Neutrinos and the Non-linear Matter Power Spectrum

no code implementations • 20 Sep 2011 • Simeon Bird, Matteo Viel, Martin G. Haehnelt

We extend the widely used HALOFIT approximation to account for the effect of massive neutrinos on the power spectrum.

Cosmology and Nongalactic Astrophysics