454 citations · 3.8k across the 68 of their papers we have counts for
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astro-ph2008★ 35 cited
Affine parameterization of the dark sector: costraints from WMAP5 and SDSS
Davide Pietrobon, Amedeo Balbi, Marco Bruni +1
We study a set of universe models where the dark sector is described by a perfect fluid with an affine equation of state , focusing specifically on cosmological perturbat…
astro-ph2008★ 53 cited
Late universe dynamics with scale-independent linear couplings in the dark sector
Claudia Quercellini, Marco Bruni, Amedeo Balbi +1
We explore the dynamics of cosmological models with two coupled dark components with energy densities and . We assume that the coupling is of the form , s…