Cosmological zoom-in simulations demonstrate rapid SMBH mergers in dense high-z galaxies within 4-35 Myr after binary binding, matching JWST compact galaxy observations.
Modelling the uv/x-ray cosmic background with CUBA
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abstract
In this paper, I will describe the features of the numerical code CUBA, aimed at the solution of the radiative transfer equation in a cosmological context. CUBA will be soon available for public use at the URL http://pitto.mib.infn.it/~haardt/, allowing for several user-supplied input parameters, such as favourite cosmology, luminosity functions, Type II object evolution, stellar spectra, and many others. I will also present some new results of the UV/X-ray cosmic background as produced by the observed populations of QSOs and star forming galaxies, updating and extending our previous works. The background evolution is complemented with a number of derived quantities such as the ionization and thermal state of the IGM, the HeII opacity, the HI and HeII ionization rates, and the HI, HeII and Compton heating rates.
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UNVERDICTED 2representative citing papers
New hydrodynamical simulations show that dwarf galaxy stellar mass-halo mass relations and star formation histories are more influenced by host halo concentration than by the 5 cMpc scale environment.
citing papers explorer
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Rapid sinking and efficient mergers of supermassive black holes in compact high-redshift galaxies
Cosmological zoom-in simulations demonstrate rapid SMBH mergers in dense high-z galaxies within 4-35 Myr after binary binding, matching JWST compact galaxy observations.
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Columba: isolated dwarf galaxy populations in diverse cosmological environments simulated with a cold interstellar medium
New hydrodynamical simulations show that dwarf galaxy stellar mass-halo mass relations and star formation histories are more influenced by host halo concentration than by the 5 cMpc scale environment.