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Lyman-alpha Forests cool Warm Dark Matter
Julien Baur, Nathalie Palanque-Delabrouille, Christophe Yèche +2
The free-streaming of keV-scale particles impacts structure growth on scales that are probed by the Lyman-alpha forest of distant quasars. Using an unprecedentedly large sample of…
Neutral hydrogen in galaxy clusters: impact of AGN feedback and implications for intensity mapping
Francisco Villaescusa-Navarro, Susana Planelles, Stefano Borgani +8
By means of zoom-in hydrodynamic simulations we quantify the amount of neutral hydrogen (HI) hosted by groups and clusters of galaxies. Our simulations, which are based on an impro…
Relativistic effects in Lyman-alpha forest
Vid Iršič, Enea Di Dio, Matteo Viel
We present the calculation of the Lyman-alpha (Lyman-) transmitted flux fluctuations with full relativistic corrections to the first order. Even though several studies exist on…
Weighing neutrinos with cosmic neutral hydrogen
Francisco Villaescusa-Navarro, Philip Bull, Matteo Viel
We investigate the signatures left by massive neutrinos on the spatial distribution of neutral hydrogen (HI) in the post-reionization era by running hydrodynamic simulations that i…
Neutrino masses and cosmology with Lyman-alpha forest power spectrum
Nathalie Palanque-Delabrouille, Christophe Yeche, Julien Baur +9
We present constraints on neutrino masses, the primordial fluctuation spectrum from inflation, and other parameters of the CDM model, using the one-dimensional Ly-forest powe…
The Non-Linear Power Spectrum of the Lyman Alpha Forest
Andreu Arinyo-i-Prats, Jordi Miralda-Escudé, Matteo Viel +1
The Lyman alpha forest power spectrum has been measured on large scales by the BOSS survey in SDSS-III at , has been shown to agree well with linear theory predictions,…