383 citations · 1.3k across the 39 of their papers we have counts for
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astro-ph.CO2021
The growth of fluctuations in Chaplygin gas cosmologies: A nonlinear Jeans scale for unified dark matter
Abdelrahman Abdullah, Amr El-Zant, Ali Ellithi
Unified dark matter cosmologies economically combine missing matter and energy in a single fluid. Of these models, the standard Chaplygin gas is theoretically motivated, but faces…
astro-ph.CO2021★ 25 cited
Toward a concordance teleparallel Cosmology II: Linear perturbation
Mahmoud Hashim, Amr A. El-Zant, Waleed El Hanafy +1
Late time cosmic acceleration may be achieved by modifying gravity on large scales. This should also have consequences on the evolution of perturbations. We thus extend our study o…