Martin G. Haehnelt

Constraining warm dark matter candidates including sterile neutrinos and light gravitinos with WMAP and the Lyman-alpha forest

The matter power spectrum at comoving scales of

Reionization of the Inhomogeneous Universe

(1\ensuremath{-}40){h}^{\ensuremath{-}1}\text{ }\text{ }\mathrm{Mpc}

Damped Lyα Absorber at High Redshift: Large Disks or Galactic Building Blocks?

is very sensitive to the presence of Warm Dark Matter (WDM) particles with large free-streaming lengths. We present constraints on the mass of WDM particles from a combined analysis of the matter power spectrum inferred from the large samples of high-resolution high signal-to-noise Lyman-

Warm dark matter as a solution to the small scale crisis: New constraints from high redshift Lyman-α forest data

\ensuremath{\alpha}

The observed ionization rate of the intergalactic medium and the ionizing emissivity at z ≥ 5: evidence for a photon-starved and extended epoch of reionization

forest data of Kim et al. (2004) and Croft et al. (2002) and the cosmic microwave background data of WMAP. We obtain a lower limit of

Damped Lyman α systems in galaxy formation simulations

{m}_{\mathrm{WDM}}\ensuremath{\gtrsim}550\text{ }\text{ }\mathrm{eV}

Inferring the dark matter power spectrum from the Lyman α forest in high‐resolution QSO absorption spectra

(

The correlation between black hole mass and bulge velocity dispersion in hierarchical galaxy formation models

2\ensuremath{\sigma}

The Lyman-alpha forest opacity and the metagalactic hydrogen ionization rate at z ~ 2-4

) for early decoupled thermal relics and

Detection of extended He ii reionization in the temperature evolution of the intergalactic medium

{m}_{\mathrm{WDM}}\ensuremath{\gtrsim}2.0\text{ }\text{ }\mathrm{keV}