82 citations · 746 across the 52 of their papers we have counts for
37 papers · 1 filter
Localized Enhancements of the Primordial Power Spectrum and the Abundance of Early Bright Galaxies
Shaghayegh Yavari, Hamed Kameli, Shant Baghram
Recent observations of bright galaxies at high redshifts by the James Webb Space Telescope have motivated renewed interest in cosmological mechanisms that can enhance the abundance…
Luminosity Function of Galaxies in Voids: A Modification Inspired by Excursion Set Theory
Zeynab Ashurikisomi, Shant Baghram
In the standard picture of cosmology, the galaxies reside in dark matter (DM) halos. DM halos are distributed in the cosmic web in different environments. The luminosity of the gal…
Addressing Dipole Tension via Clustering in CDM and beyond
Arefeh Daei Rasouli, Haniyeh S. Tadayyoni, Shant Baghram +1
The dipole in the angular distribution of the cosmic microwave background (CMB) is attributed to the Doppler effect and our motion relative to the CMB rest frame. It is expected th…
Addressing the too-big-to-fail problem and the void phenomenon through a modified initial power spectrum
Hamed Kameli, Shant Baghram
We investigate the impact of early-time initial conditions on nonlinear structure formation and evolution within the framework of the semi-analytical Excursion Set Theory (EST). Ou…
One-point Statistics in various cosmic environments in the presence of massive neutrinos
Mohadese Khoshtinat, Hossein Hatamnia, Shant Baghram
Studying the structures (halos and galaxies) within the cosmic environments (void, sheet, filament, and node) where they reside is an ongoing attempt in cosmological studies. The l…
Clustering of dark matter in the cosmic web as a probe of massive neutrinos
Mohadese Khoshtinat, Mohammad Ansarifard, Farbod Hassani +1
The large-scale structure of the Universe is distributed in a cosmic web. Studying the distribution and clustering of dark matter particles and halos may open up a new horizon for…