142 citations · 903 across the 31 of their papers we have counts for
4 papers · 1 filter
Data-constrained reionization and its effects on cosmological parameters
Stefania Pandolfi, Andrea Ferrara, T. Roy Choudhury +2
We perform an analysis of the recent WMAP7 data considering physically motivated and viable reionization scenarios with the aim of assessing their effects on cosmological parameter…
Constraining large scale HI bias using redshifted 21-cm signal from the post-reionization epoch
Tapomoy Guha Sarkar, Sourav Mitra, Suman Majumdar +1
In the absence of complex astrophysical processes that characterize the reionization era, the 21-cm emission from neutral hydrogen (HI) in the post-reionization epoch is believed t…
Joint QSO-CMB constraints on reionization history
Sourav Mitra, T. Roy Choudhury, Andrea Ferrara
Based on the work by Mitra, Choudhury & Ferrara (2010), we obtain model-independent constraints on reionization from cosmic microwave background (CMB) and QSO absorption line data…
Formation rates of Dark Matter Haloes
Sourav Mitra, Girish Kulkarni, J. S. Bagla +1
We derive an estimate of the rate of formation of dark matter halos per unit volume as a function of the halo mass and redshift of formation. Analytical estimates of the number den…